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 0xd0863fc0ade11d9f8d4dda79c74b0383ed5547d143ab1ac1901920194f72ccf9. 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/138526fb-a090-4861-a1c0-e4d8e0c0846b.json and https://artists.proofprofile.net/proofs/artist/138526fb-a090-4861-a1c0-e4d8e0c0846b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I'm Pressing on the Upward Way (Higher Ground)
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 0x42cc453bd6dd0c75cdc8f1974340039b3e6d7dda9a4ff3d0e267eeaeeb875ba7. 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/QZHN62051982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcef42c17e8b4ec272cba0767dac53a248d33499bb83f363564b68412d238b95. 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/QZK6P2043921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0deaa70277b58848c522054d046ce1d753e8080ee950cb1ec1fb2f61fc94a507. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZK6J2008013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5d6fbda7780428dff66874f466ba3c5a98b6db62bc85af664a816ce9f456f9d. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZK6K2176500.
Will Your Anchor Hold (We Have An Anchor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556953dcdcf9e5a2540e76fda1d2f3c65bd3288cfb8ca2256dae325fb4ac58c3. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/QZK6N2189811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dfcaa4b763317d69934b71bac27c834548009c92c8cec6bb7ee0d806b5e4828. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZK6N2189812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc6ca9e6540abe6692107b709ad0a8e25e90f4ba32c084ec6a30421a4a3fdfa. Chain 2 (Bitcoin): anchored in block 956430 (2026-07-03T02:22:42Z), 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/QZK6N2189813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e05e0ff653148ae3193b2d71ab2d4e525578bdc6b75c5acbfb7e7ca81a95681. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZK6N2189814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc87015ccff7a7666c11046d3e6536cb02fd292d5186aaf05e41b69242ad24c8. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QZK6N2189815.
Peace Perfect Peace, In This Dark World of Sin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435797cf29b6570b703a2ca2c5efe855b9ea08756bd9ad2f75e62dc291ef92b4. 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/QZK6N2189816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f4652a7dabd699bb15be31c918f94eeeb261710889523534b57fe5934e0333c. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/QZK6N2189818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42bb6a7b4739398375eb7c8f8a5a02e0a8ccc73880991b8d5b00e7709a1df36e. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZK6N2189819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x054fe7d65bcbb1068c073e99b22cd416ef5f67481e50873826a168b8eb9b1294. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/QZNWQ2153361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a6b2b7eb67c8ab97f2a409f0386263a8025bb9dec25541bc8b50ac42604f2f9. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/QZNWQ2153364.
The Revival (Live at Hymns & Worship Festival)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb142306f0d0ccdd547f511ff39c5bcd4c8c3333a925f8867e6e75ff482ca44be. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/QZHN62208404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac8977c12751742e0d0ba2f808b2607f9edc4074434cd77aa32bf926066c2768. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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/QZHN62208406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f606a5ac1bef15a6a32e62220faac8ea422fe9fc4f0455c7d424acd7e7bd92. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/QZNWY2297708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd258680dbb30b0d6662edaa5aaee9ada0b2f18daa5a8b2aebe21067113f6a268. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZTAW2204221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b828bb939356ad08b4337a9cdbfeaaf09d977325c594f0aa0e3d9d027ee57a. 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/QZTAW2204222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x126b37be58735158ca59bf31904e13334c2b10adcdeafd2ba3ee0bc4c27e9bc5. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/QZTAW2204223.
You Are My All In All (Jesus Lamb Of God)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e64b22de68ee347b4978d22958efd69fcfd4aeaa34a11945df4389a8a2f5269. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/QZTAW2204225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22e55965667892ade7c10f225c809cd84ac1d6746aea3cf5ad5479e29f4a1d2. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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/QZTAW2204227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbaf17a2912ad6be8107a65f8a4ffc0cfe27c8ae9fe5caa533e3378b2e45abda. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/QZFYY2343463.
I Am Thine O Lord, I Have Heard Thy Voice (Draw Me Nearer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bd7671a42ecee222fafa7afbef6a819b197b341755084f5fc85a739cbeba791. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/QZFYY2343464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b02ef275543fb02f9071240063b3e90fb3a3814155aefef31f49c642df215e9. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/QZFYY2343465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31d7e6d8e8033260d19234366524e1aa462d8cb410afbdfece1d7b7109a78ae1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZFYY2343470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60903caa5498a6f73b8123132305e67869f9421a5befad82dbaa50220f188e14. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/QZFYY2343471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe259a303803d987e0acccf4e4b25baad86b36eceb7d09afd74da6c0b219e8a39. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/QZES92441956.