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 0x3ae1d75e4445fbcdf4f1b74fcab35f7487533fdd9e29e0a7ea8962d6db1179f7. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/57560996-8827-46ba-8476-a92a51aa3f3b.json and https://artists.proofprofile.net/proofs/artist/57560996-8827-46ba-8476-a92a51aa3f3b.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 0x54632900298a4262d3b5fcde8801880da769d61cde8c0498244ed9c41ed84b10. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/TWDL72109969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8735ae743a14a585304f6872e017ec392236bfcb6ed6110aa1dceba02000d248. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/HKG732277857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa61b834ed7b48ebcb304d21bfb801db51c3a294908cadd04128eebc0f95f59. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/HKG732277873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3104029f3a92cab65a39566665a1a7a1a5e7c4aa8a3e7bd801df101c402586e. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/HKG732277875.
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 0x55900dde4a0ec15258d1fb2ef8f0021cafa4654e3d2c40081b058d00b7a394e7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/HKG732124747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc94b29e59da6cb2977763eaa749e5d4ac8ab27b2dd8622e71a43d76b10c3e1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKG732124751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251b609eb458eae8f9a909060845923a24dda26bb3dabbd769c4fac536c33c62. 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/HKG732124757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6f189191e36790805a5dda0c8e1a15f2b7084c4fe4182d132a0b58dfee2522. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/HKG732124763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa75c31b70074942a47f20eb1aee800ef295174372ba005593dbc13c18ca5924a. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/HKG732124755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac0c7ada630a18488aee03931fc06517fb9fec6915403598697a67b74e5f9ca. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/HKG732124711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1df283213e2fe5fe87036158716c040a890bde0f9679be291e077f9adc69c4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKG732124713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x717004dabdb30614e1a55857864c86503a894933f21133942bf2bd81573f0ade. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKG732124715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f96d4466c31b1f04a5ed1c50fa89bad002c2b712b8bb2bbed3eed4c574c5d7d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKG732124717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c9a6a96f9c327d359da460710c06186d81af189afe7ffad9ff64e818d802fb. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/HKG732124705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd37eba8da48383d77480a78295dd8dcfc8529057258110d35dfae875f2421d0f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKG732124843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x136d6875644790755d870920144ab1682d1a7912812871a5fa2f8edff4dabe40. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKG732124847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b199c9f8afb21b3c80938ec620f6d716eabf84c27225892243ed8f2e3eb42d. 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/HKG732124857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb5b4b884870a0cfbcfa909af2e5387b97bf8e3858f7c135e30e46a52b074442. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKG732124861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2cc771a73a531f2c22d8224b207ddd157fb02214eab7bbafeaf4a9208618e34. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKG732124867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e47ad9d516ff56d5a3f24cc5b2ef5af89eaede07bd9c1f2eb17c2443f02fce. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/HKG732124548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14718387251fab4b0e2c8ed0f85a19886c313025e025baacceb60803d11b428. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/HKG732124550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff9ed3243c11b23f66d2538258a8f12ef330430e752e496f5fe3612340a80fe. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKG732124552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff93e3ffcef07858c44ef9d819df631d7a798523befdc79e71745b6631265c13. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKG732124554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9774094dad604d6d3bdbd9f61ed31c5331f78e1dd7fb98dafea7e3ca47feb4c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKG732124556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x667d51d86b17b6ac4ecbf049cb59c8a4c16f19ee49bcc52b2d790ff136721f2a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKG732124557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64519a07582d477d869a1f0fd8f810f84e0e2cd5a6578b33daec7bfccb844fa. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKG732124558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd26483ea2fea08c8c6b96585a7dc669930fed69ade2493ee932f22fa9bf7916. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKG732124559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd1717f7e929b6a037624ff763f3c0d21386676c7b625a22216427017054cb1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKG732124560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8dc3242d3001fe2bb40d3843d76b6623c80345003ed90d3b275c83b7de3579. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKG732124562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a17db1311764265237aef6fc3f51a42846ee0d3be5101427f005459d7af3ed. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKG732124563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8392bc66485ef3eb5ce9c2cc89cf5ead71fef9455bd6d391f6fb2cde4cdc8e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/HKG732124564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff963d90f3efecc3a72b77e4f1cc7dd5782a536be66995d60ee11d92556e867. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/HKG732124566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e50f8f8acd8fa8833a61ae6531bcfb02ba8dfa60b5414d0442b8823012ba8d. 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/HKG732124567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe138042601f76c657a774b6d99f7f59876055bae915e5c69a68589dfa46a35e6. 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/HKG732124568.
Tiamo - Instrumental with Background Vocals
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc6bc3f76fc8e53f7db6a0254eca40a54203969bc855776f5df835a7dd52ac39. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/HKG732124549.