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 0x5fddc23e543475b776d14f58277ab185dd6f49d1d9801c538a7870b9bd1c414e. 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/e1a02688-f97c-4cf0-98b6-b052084b86ab.json and https://artists.proofprofile.net/proofs/artist/e1a02688-f97c-4cf0-98b6-b052084b86ab.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 0xc4e9dd53213c41d4c51657df2efd028e911e803a88b89cb37b6b527d3b76de0b. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T08:43:00Z), 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/GBAJH0402432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47012821bd97cbb0809104c2bc217a842efa47030577558457e206e621080cd1. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T23:02:27Z), 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/GBAJH0400872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33199618ebe284b51e07057ab576ee8a2154832a76dcdc56befb1ef96adcf848. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:33:16Z), 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/GBAJH0400880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e97219932f743389dab974fb07ff56d410d7424428579790625c0511e6e28c4. 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/GBAJH0402528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e97219932f743389dab974fb07ff56d410d7424428579790625c0511e6e28c4. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/GBAJH0402528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4acb2deaee1a7564ef7b9760779c370b0e34c1761925062fcfbb66509e708ec. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/GBR8R1300807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca7c183b91ab297c6b437d5422233d3f75821bdf119699da83cbe5f8b7835f4. 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/GBR8R1300809.
Why Kill Time (When You Can Kill Yourself) - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13946c29c84ed4d26d1ce4bcb0b7c5d506b5f6a53742f8305798883f59628176. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), 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/GBR8R1300810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4494ccea9672688462760f8b9db63360fddb51d59869b7c4c5be9695a29f62bb. Chain 2 (Bitcoin): anchored in block 957668 (2026-07-12T06:54:37Z), 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/GBR8R1300791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f88c0b09615fb094b7dab3681de68f9441f46ddd3b2c17dbba582e7e2cb3622. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:58:39Z), 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/GBR8R1300792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ceaad648a9c1a551bcebc71f7544913e0c6b25a86fe872a0adf8551ba32e2aa. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:49:25Z), 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/GBR8R1300793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d3a03927919513f864ff953148de691e7ae5c8ac3d90bad0333421cc31b3f8. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T04:03:41Z), 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/GBR8R1300796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54e5946719437cff5fc895d467f1cfbf9bf22ce3c13e7c675cd15470c5f0a4f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBR8R1300798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4c56764f3b4f9a7455564eb88fc84f8ca348f3f1af9ac30269cca0ccaf5b83. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:35:43Z), 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/GBR8R1300799.
The Covenant, the Sword and the Arm of the Lord
The Covenant, The Sword And The Arm Of The Lord
The Covenant, the Sword and the Arm of the Lord (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee78f9b2bdbbcec45c48d14a0deac0c2636b373f2e57c9f30cc3aeb57f5c3d5. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/GBR8R1300782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc789a55ebad84f42abfa898f3b779c02a4ee11bbb4e0c6d6dd1d2f6d747ddde0. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/GBAYE8700161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a03a99e1b31aa462abc9dcc3ac5be88c50a7fe08572e131f68f2128fe1d632. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/GBAYE8700456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc789a55ebad84f42abfa898f3b779c02a4ee11bbb4e0c6d6dd1d2f6d747ddde0. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/GBAYE8700161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a03a99e1b31aa462abc9dcc3ac5be88c50a7fe08572e131f68f2128fe1d632. 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/GBAYE8700456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08109b88e16596b9ef4de7763be14956b17a1d9c54fe37b37dac050218886c0c. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GBAJH0402417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1045a81a49d910c4df208505197bd21ee608a0e11e9018e508553924fbd50758. 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/GBAJH0402425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08109b88e16596b9ef4de7763be14956b17a1d9c54fe37b37dac050218886c0c. 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/GBAJH0402417.
The Drain Train & the Pressure Company: Live in Sheffield
The Drain Train & The Pressure Company: Live In Sheffield
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09e53f5b6585f498016354db239b27c21b7608b4cbcfc4148d1b8ef3ac8462a. 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/GBKVG0600073.
Conform To Deform '82-'90: The Virgin/EMI Years Archive
The Original Sound Of Sheffield - '78 / '82 Best Of
The Original Sound of Sheffield: '78 / '82 Best Of
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4bdb1a1e18012705743e8e3e82f4d0e28df4900daade88b834e8139013d4661. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/GBAJH0400882.
The Original Sound Of Sheffield '83-'87: The Best Of Cabaret Voltaire
Archive (Live at The Venue, London: 8th June 1982)
Archive (Live at The Town & Country Club, London: 12th February 1986)
Archive (Live at The Leadmill, Sheffield: 30th November 1984)
Archive (Live at The Town & Country Club, London: 11th February 1986)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4494ccea9672688462760f8b9db63360fddb51d59869b7c4c5be9695a29f62bb. 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/GBR8R1300791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee78f9b2bdbbcec45c48d14a0deac0c2636b373f2e57c9f30cc3aeb57f5c3d5. 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/GBR8R1300782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f88c0b09615fb094b7dab3681de68f9441f46ddd3b2c17dbba582e7e2cb3622. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:55:47Z), 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/GBR8R1300792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ce45c51a022645f5e08036140ef682e7b2a9f670c3296f3a716a24f6174d84. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/GBR8R1300820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa102d5292e3dbd0a5a03ff7a7f8078e4c282f9835e1302045bfa377a72df2f75. 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/GBR8R1300794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54e5946719437cff5fc895d467f1cfbf9bf22ce3c13e7c675cd15470c5f0a4f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/GBR8R1300798.
The Covenant, The Sword And The Arm Of The Lord (Remastered 2013)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ce45c51a022645f5e08036140ef682e7b2a9f670c3296f3a716a24f6174d84. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBR8R1300820.
#7885 (Electropunk to Technopop 1978-1985)
#7885 Electropunk to Technopop 1978-1985
"Fame" Jon Savage's Secret History of Post-Punk 1978-81
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8f1e2b66c88c606ae05640eaf3aa2f03837927283cb38a9ad60e9654240c757. 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/GBAJH0400871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3e9ac7153ba309307b25dbc08697cef97e74868d41d1c74b78510eae226776. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBAJH0402424.
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
Kicking Dust: The Goa Way, A Full Circle Compilation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd1117461913c97a3c46b2a44fa1c6ace4a69a6d8d4f82cad14d19105f78965. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBAYE8700465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703aa7570b96594c9543ef37a48877576ebd66a4865581edf1568eb520d63de0. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/GBAJH0402449.
Soul Jazz Records Presents IN THE BEGINNING THERE WAS RHYTHM
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1493611b1ca2848a996e906c4e5838814c48e785967e7892969ff6a8dfe9f566. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBBCK2401945.
Methods Of Dance (Electronica & Leftfield ‘73-‘87)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4a4990e61fedf12b13fd87f6af17aff8dfef87a17de6d841b72864dc3d2294. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/GBR8R1300817.