# Detect tampered and deepfake Bahrain CPR Smart ID Card > The Bahrain CPR smart card, issued by the Information and eGovernment Authority, carries the nine-digit CPR number and is the main identity document for citizens and residents in banking, employment, and government services. Its number is reported to open with the birth year and month, which gives a quick cross-check against the printed date of birth. **Canonical URL:** https://tampercheck.ai/documents-support/bahrain_cpr **API document class:** `bahrain_cpr` **Last updated:** 2026-10-04 --- ## What a genuine Bahrain CPR card contains Secondary sources describe the CPR number as nine digits: two digits of birth year, two of birth month, a four-digit serial, and a final check digit whose algorithm is not documented here. The card carries the CPR number, full name, nationality, place and date of birth, blood type, and photograph, and its chip is reported to hold further details. Residents' cards list nationality while citizens' cards show the flag, and older cards from before the smart-card generation look different, so both differences are normal. Because the prefix gives only year and month, the day must be read from the printed date, and the expiry should sit about five years after issue, or ten for holders over seventy. ## How Bahrain CPR card forgeries are made ### CPR format check The number should be nine digits. A different length contradicts the reported structure and marks a typed rather than issued number. ### Birth-prefix coherence The first four digits should agree with the printed birth year and month. A mismatch means the number or the date was edited separately. ### Validity-term logic The card runs five years from issue, or ten for holders over seventy. An expiry far from that pattern contradicts the issuing rules. ### Edited-line detection Name, nationality, and expiry lines are the fields most often changed. Font passes, baseline shifts, and resampling steps on them localise the edit. ### Photo-region analysis Substituted portraits carry their own compression and edge signatures. The photo region is scored against the rest of the card for a consistent print and capture history. ## What TamperCheck checks on a Bahrain CPR card TamperCheck runs 200+ forensic checks across three layers and returns a risk score from 0 to 100 with plain-English findings tied to specific regions of the document. These three carry the most weight on this document class. ### Portrait substitution and face-swap analysis The document is isolated from whatever it was photographed on, then the portrait region is assessed against the card surface around it. A pasted or generated face rarely matches the substrate it was placed onto. ### Date and validity consistency Issue, expiry, and period dates are checked against one another and against the file's own creation metadata, which catches backdating and validity extension. ### Field-level forensics Every text region is analysed in its own right rather than as part of one whole-page image. This catches the smoothed and feathered edits that whole-image Error Level Analysis misses entirely. ### And many more checks The three above are the layers that carry the most weight on a Bahrain CPR card. Every upload runs the full suite of 200+ checks regardless of document class, spanning file structure and metadata, pixel-level forensics, font and text rendering, optical and print characteristics, provenance signals, AI-generation signatures, and many more checks. ## Who verifies a Bahrain CPR card, and why Bahraini banks, employers, and telecom providers. In each case the document is being used to unlock money, access, or a legal status, which is exactly what makes it worth forging. ## How to verify a Bahrain CPR card in 4 steps 1. **Photograph both sides.** Capture the card flat at full resolution so the CPR number, dates, and nationality line survive close analysis. 2. **Check the CPR prefix.** Confirm the number has nine digits, then compare the first four digits with the printed birth year and month. 3. **Judge the validity term.** Compare expiry with the issue date, allowing for the longer term for holders over seventy and for older card generations. 4. **Run a forensic check on the file.** The number carries the structural story, and the print carries the edit history. TamperCheck runs 200+ forensic checks including CPR prefix checks and patch detection, returning a risk score from 0 to 100 with findings tied to specific regions of the image. ## Frequently asked questions ### What does a Bahrain CPR number contain? It runs nine digits, reported as a birth year, a birth month, a serial, and a check digit. The prefix gives only year and month, so the day is read from the printed date. ### How long is a Bahrain CPR card valid? Reporting gives five years from issue, and ten years for holders over seventy. An expiry far outside that pattern is a red flag worth escalating. ### Why do some Bahrain cards look different? Older cards from before the smart-card generation have a different design, and residents' cards list nationality where citizens' cards show the flag. Those differences are normal. ### How does TamperCheck verify a Bahrain CPR card? TamperCheck compares the CPR prefix with the printed birth date, tests the expiry term, and inspects the name, nationality, and portrait regions for patching. Uploads run through a single REST endpoint, are processed ephemerally and not stored, and findings tie to specific regions. ## Related document types - TamperCheck Forensic Report: https://tampercheck.ai/documents-support/forensic_analysis_report - Unknown: https://tampercheck.ai/documents-support/unknown --- Try TamperCheck now: https://tampercheck.ai/dashboard · Docs: https://tampercheck.ai/docs · Pricing: https://tampercheck.ai/pricing