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 0xe3a932aba4f3404862540b230a232bf960c2b1aa5c5dc3a6a8f745a40cb00e3d. Chain 2 (Bitcoin): anchored in block 953999 (2026-06-16T20:20:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/316a44dc-c177-4197-b8f7-86ac252a1294.json and https://artists.proofprofile.net/proofs/artist/316a44dc-c177-4197-b8f7-86ac252a1294.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 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 0x395c3c632e12593aa17bdc332b99768967b62f6dfff5ed19cd8d81cdf889021e. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/GBLFP2467951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921379c555cf238a6f27b33d79d11ab59447b4c7257eaa505d8ff302e697e59e. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T03:58:50Z), 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/GBLFP2467952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75dbde1d33387d81fb37ca57ebd81a87fe19712d214c84e78ac8add8d9604e1c. Chain 2 (Bitcoin): anchored in block 959063 (2026-07-22T00:37:19Z), 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/GBLFP2467960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdddd0cbe9fc304b9908d48e6688389e4a7212ad19a59662a3e9c29d312c35a5c. 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/GX3Q92595292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9e52db31ba3421e994a6b8e2db5953c6e785f79213646e25bf8aed2c718855. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:44:07Z), 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/GX3Q92595294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3259cf8395a05c18e224863832d4aa2d8ca0dcf01072d6eca724c83ca0c73dcf. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/GX3Q92595295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16fdcf9d8cfa94bb8ec649fcbdc42e160c582e779c008529a830c6deebcbfde. 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/GX3Q92595299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf13a964c968a7636a1a774b7faf01f24b21e4a0e019b226d44baa129c958cc40. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/GX3Q92595300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb934ea57a62309569f3f588845097cb71b2931d193771dd4eadab9e0d9ef37. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GX3Q92595301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237cad1086ca98f3fc14c3c0a96c3108e4a2a91eaa222b810388ff9e7c514c1b. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/GX3Q92595302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d9cd30e836beabef34e3e8d8c92e8f2a932a9c747c9faa2c2b47996100296d. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:38:38Z), 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/GXHG92586217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f30adcbf0592727937bf41d78998df4abb269f14f361a2ecd24e860a0fe5f0. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:45:38Z), 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/GXHG92586218.
I can control everything but not my dreams
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92df2e2e963eaad610a450c2ec6f22617b1b2585f0196ff7ac80dbeb9da6daf6. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/GXHG92586219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x738bfbfb10ee9ea6f36f86e0e95e9e1a1c93c5848d6b5b2bdea3d86dd8b08679. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GXHG92586220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa820e79e5a100bb90ddde3894deec25018939463c13669caa126a2b9c85ca8a. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:10:36Z), 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/GXHG92586221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d22f530e34593ef967b63cbffb847e4e32702f06f61f76bf0af31821d454470. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:15:20Z), 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/GXHG92586222.
Morning awakenings with the taste of you on our lips
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b1226f628097f94c46150b2998191dc79eac27233de6e06585ebc244d405c7. 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/GXHG92586223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xace1f9b85e0865709c81f3a8cd5f43e1a1f47fec35c67f9773bf07abb9e22a8b. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T03:51:05Z), 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/GXHG92586224.