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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e342933f939a7ce15f3f9072c7f19d7760c064ebe8b418db6ca8bbdaad2bc1. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f90f008b-b32d-449e-9efe-ec82d8617f7c.json and https://artists.proofprofile.net/proofs/artist/f90f008b-b32d-449e-9efe-ec82d8617f7c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b15eee1ee5ccd2c6089b59356bc9c3c0780cf52ddaab2f75e6406e69151569f. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/GBSMU5441753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce77c61bd7e776267c0399f28db551a83d90e5f1045d4db8043302dbdcfd45b1. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T12:39:14Z), 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/GBSMU5441754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aebbe186f4b702b123d64a426ddbc2a87cca32ccadf91f34a04b13f5b1a7a9b. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:46:19Z), 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/GBSMU5441750.
Thi Chin Lay Ko Chit Tar Lar Toh Ko Chit Tar Lar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14b689361781e1a300e07457863dc63869ccaae6caaf16e99ee9b20ef03d4c65. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/GBSMU5444857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8667b6e047cf5874c619b3aed4920805023905618b1df0b4bbf7675faaa4ae1b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBSMU5444858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5070fbe3c832c1c86ac0771a7ffc6af9a1e200596ea2860951458df9f94b1e99. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBSMU5444861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26b6301c8629363834ab42f43ef997a02dfa56da82f2112005ac165eb11eef2. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/MMA031906465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb07406f970aabbf376cd4a65cd1f81dfb179ea8a83b99fceadf02e8adf400cf2. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:30:32Z), 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/GBSMU5414113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7b9a28287be15b39f12be5bb237e114e880ee646fbf82a5f521766a925e1b1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/MMA031901935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5c49e66ad1343cb877fac72daa3f8290004d694e610a227ea4069b4a2efe86. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBSMU5444862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7425ceea84e7051e0c2e5ba519d4aa4d9b5e7fa265e32635d143d0c0e022ae2d. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GBSMU5444856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d0b15ae15259326bd05530ddefdcd0b1d765d7c94aa2188188821cf48815ae. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBSMU5444859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b04d8eae77ed24fae540d8db9feb2f1555500066d1d34b4dab50cbc2d8a8d40. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/GBSMU5444860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4532957fd20df26bf62c8e6a35a2c59416c8293806c60eebbf0286a9a37bf8a9. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/GBSMU5444863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b9be5e6d54d04531975bdfb4972c53c9d519d30242b2ce514802b1debc1749. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:45:13Z), 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/GBSMU5444866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f33c9f44af7adb6aacb7322f5a02b89ff5947a69f602cddacc701d169f5c9f. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:38:49Z), 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/GBSMU5444867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaea2927cb0e4e48203e06c5da85c19516e583c5b9d7abc9c5525fec6cdd5af5. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GBSMU5444868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x236e800e9f2af323413a762618d98961c4dc7e11531bcd7aab794e57017f4a8e. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:34:54Z), 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/MMA031902873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf093e434ac9be4f138c25f73f55709d92dd8546fafe3b4b30c868d254ccc259d. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/MMA031902891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36beb543affd83f826a9bd3182a04a07f280c0c66ac59b60930ec8c1072794f7. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T00:11:46Z), 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/THSOH2300877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x205d5fc30be9d7c673c375b0a9ecc82bb504851af6d219395c6af575aaf0a44f. Chain 2 (Bitcoin): anchored in block 958625 (2026-07-18T23:11:57Z), 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/THSOH2300878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd959b583b9c76d4243e950ed0e9acf7885ec78ef3bb44c8a104afab4c4ab8c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/THSOH2300880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e3438394778f6d766ca18030e5e44d60859a3414dfed30412940da903b8f2cf. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:09:31Z), 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/THSOH2300881.