1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5fb10778756e845832a28a9c093eb8a8d119ea0ba90903d21fb4842bcdde15f. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93373f29-919c-4d84-9e00-0eac2f1bad50.json and https://artists.proofprofile.net/proofs/artist/93373f29-919c-4d84-9e00-0eac2f1bad50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
MAMOYI T7TAJAT MASA SITI TLIT ORGIGH MNIDNK ITINA HAN L9ELB ORKRAN
SOUSSI D AIT MATEN N SOUSS (Ait Maten N Souss)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7617540607aa85e0d2728e4a51c059b856a177cad0a9cea1783103d3616bff62. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEQ2470688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad43294b753e62d9a55b394f355a20e8805f6d8f77f0146a1a4ac80331f80b8. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEQ2470691.
Cocktail Group Karim Aznag / كوكتيل مجموعة كريم ازناك
Ighika L39el Tazant Ati Toso Yan (Ait Maten N Souss)
Ighama Okan Lhob Nkra Gholino (NOUJOUM IQBILN)
Yak Awino Ran Mon Sdaron (Aziz Boulaioune)
Ajawa Ynafaln Ahli Snofoln (Fatima Tabaamrant)
Nkatin Ligh Nmzi Gh Osaniniw (Fatima Tabaamrant)
Iks Ouzlay Itfilit / إكس أوزلاي إتفليت (Fatima Tabaamrant) [Live Version]
Amanik Atgit / أمانيك اتڭيت (Fatima Tabaamrant) [Live Version]
I7mlk l9leb Akra I7mlk (Ait Maten N Souss)
Dimari Dimari (IMOURIGN TAMONT) [Live Version]
Orgigi Maghatilit Alham (Ait Maten N Souss)
Lmohib Ino 3afa | المحب إنو عافا (Ait Maten N Souss) (Salh Lbacha)
Groupe Jawharat Souss (Mizane Hwari) / مجموعة جوهرة سوس (ميزان هواري)
Groupe Jawharat Souss (Chaabi Hwari) / مجموعة جوهرة سوس (شعبي هواري)