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 0x5c63539abcfdcea7612285a2668d6233c7219053eaf94deb7d12c22b5033a353. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5739edde-0694-466c-8bd9-bf90653cd94c.json and https://artists.proofprofile.net/proofs/artist/5739edde-0694-466c-8bd9-bf90653cd94c.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 0x403bbbc21852e26f53e0b6e6062cbc7abd31594c8c63615e2c0d0308a6b00911. 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/EGA272000148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea5e602c8f61c2de5abbad2a5861fd15812c82119ba3a02ac5443f7f3d69082. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/EGA0S1913635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a6faf066da13836fcd7ec5b9e7ad3b059cc4cb0dcb14c41d939dc485e727079. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), 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/EGA272000638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e02107528713b0f19d7f90ae2d7e7c0de283fca84b9663dc42821dd04c66ed4. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QMBZ92032513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94bb279ec8aba5548a54f3f800735ac1b1926e2430464e97ee5f9b9d0da3b0b. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/EGA272000735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fb8e9d89df1968c9c63dda8a79c690a9dc1eec83470f7e611ec54f9d7e84e39. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), 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/QMFME2008086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf059197c97ab00ac39ce22a7ddc04d50ca541e4141d501094dc02f08a5f25f1. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/EGA272000827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3bab98ef7f5bc47692a35f47ea2be6ee867e293c5b4b176578331965facbec4. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T15:59:36Z), 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/EGA272000859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81b89ac25dae758a9641f7e46a37789882389c009cc6a877acf8e6c9a2ed4ae. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/EGA272000987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5356731aec402c9da171c7fe81a738cff34900a7abdda3c3f97e9b08564bc51. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:03:35Z), 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/QM4TW2168352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06ced70b6fcee87763699d3c22d986923f1e8e1f2c0acd1a3c8094e2e61f8143. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QM6P42177539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a12ab8e15500fcdb79f75d11912d624008f7a93e7a46f81fa1cfb000e0520ff. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/DGA082310088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4cba4d4a757ba1c1062026c37e4ac2e7ba5d5de468e0c29f6664c0d4e6b9b32. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR96X2428078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d9ff836e18a7fad9178e9a70afbbc2e261148b7d374a88c5386a81874a16833. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/FRX202568869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50bae22983b2d87056ae62179912ec2c4f60545a3ee085ad4f4f3a2240b7ce0. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/FRX202569610.
The Crash (feat. Krystall Poppin & Felo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9cd02fea11a0c2bcfaca0ebee9cdefb15222e85abbb4fd528a2576e04acb168. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USUYG1382460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bcd2d6f71e83a9e2b4051ec5057d792efad10da402be308eb820ce96dcf87c0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USUYG1382462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b12de928dbc4efe08aab6f30f397a0f34af839e1f2df90a3cb594ceb6c2cc5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USUYG1200747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30aa247a33bf334a5ad8bfd9507a4a6bf069cd055497e6073ad32c7b66fcb46. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USUYG1223457.
P.W.A. (Freestyle) (feat. Felo, Lil' Spill & DZA Da Don)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c8ef3b3ea1e145bfe39373ad5a049a904c6c78f5e6dbbcf2896d0f64b12d641. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/USUYG1200274.
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