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 0x2f7ac4cc0b1dee43ae722b8f7f06356ba2487573a771afa006ee64c793f09458. 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/72a40b80-8ed8-4c71-b318-865f7a1761e2.json and https://artists.proofprofile.net/proofs/artist/72a40b80-8ed8-4c71-b318-865f7a1761e2.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 0x3d1e84f7796602a46e0b2129821715bbaf5902524d11a04d195ff660916a543e. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/DEAE61800008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a12e1e882070a9a7be9c2fcd9701e1ef887f4ec121e24f2810ab527f53b07a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEAE62000063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x602605e3a64330bc724c804b265fe3269061f376297f5a3a5f1a7e66d4d8cf16. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/DEAE62000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeeb3f60ce9a7f8eab5b230e18e12662a889935c200404a39a465ecadd3916b2. 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/DEAE62000011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fc9396e4ff3034b565d6167ecba7271aa9ff3388aecdde968b3d268228d3eb. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/DEAE61900042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ee8e6e57b291039755d36ce1e0e94867d4890f0ff73d4463da702e999a1833d. 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/SE6QE2480948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c99e3a35ae4da12ae10d991c1be6eea97f0957ebf78ed35650a7bd52f38ec17. 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/SE6QE2480949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x084693329b4a67d7d3de7b385c49431583fa6c2d267692b82a4b394cbc833d93. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/SE6QE2480950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1feb7ab1a9060ce8fbf07d4706086a33768668564f043cab46ae62f33a5e14a. 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/SE6QE2480952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e095977fc1466950464f16d3316d045114d08e12e2b742a03f43c286a38e329. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/SE6QE2480953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40a1a1fb9cf2679c9ac4035730a7a72563dacf4eb74fc586f3ff25e6e19a061. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/SE6QE2480954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f4449125c757e4c5a79e8cacbef0703d1d4d22502450eea707f87fbc67e59b. 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/SE6QE2480955.
Someone Ask The Bin To Stop Moving Please
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90cff75a0668823ebe4814a6c4dade92122662e16232cd22c80bcac3e40cc349. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/SE6QE2480957.
Ellen Allien Presents We Are Not Alone, Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03baeba907eb25953d61a0556b98afc7ec3270e7dca34967baedc47328dd1d92. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/DEAE62000060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fe495efa10f651726bb7c2e8bc5e1b9fe05f17c4d5bb75c7079a905ab319fcc. 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/DEAE62000061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dfaa33a8bad05953d4392aaae8e037fb76e7d7d11b032749adc496bebbf11b4. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEAE62000062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a12e1e882070a9a7be9c2fcd9701e1ef887f4ec121e24f2810ab527f53b07a. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/DEAE62000063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1fc7ad6f96745d0d28facad04dbd0db085f564929ada449e1cc778b6519009d. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEAE62000064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae90cd4403196f050d9477d49c50df80885c115826409d66afdf98e08aa0890. 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/DEAE62000065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a113cd89512cf077a0fa6213de2a4f411b2d13a3d68e916b6d54359197c5c12. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEAE62000066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2453f7b1b630b627a3d8767bff856196fe192a94860f709297d9bd8d447daef5. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEAE62000067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef07990c80248be168f962684e452b4f853d22fc077e0ab34e921ce216417691. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/DEAE62000068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289ebafa139875d002b47e22151465fb8b5003e0c7a71a5239073e38672e3be9. 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/DEAE62000070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee90ac47bac82f2fc52481bc7837cafaf6234004e1fe0306b0e49a6cfc1c20ee. 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/FR9W12457145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca30f91b7f0fd5b1c094a306ee15e1a72f5fc67209f7b8311796875e7e204207. 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/FR9W12457144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad631fb5d35c8d685c7527ece42ca5f135d254591947a44bd22b94d7a90460a5. 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/DEAE61900040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fc9396e4ff3034b565d6167ecba7271aa9ff3388aecdde968b3d268228d3eb. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DEAE61900042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x978a6406db8bd2f6a9dc4f004750a1a8fc3c847c56e19d3f12f0645ef2ba71ae. 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/QZQGC2102320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6940b0ec37994860e42f16c7d713ec13cfd40c1429be43b0a1510aad5b62d252. 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/QZQGC2102321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9dd9be54ec65eb80b65b3b9f142858321d660e0f64fb1aec25276ce892bbe3. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZQGC2102322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7006d413e807b29c7b7dafe5c07a40206dc45d927267cab6ab4d993dcaf29c9d. 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/QZQGC2102323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7feae50beed8e3140b4f3c8266bc788e08e8a70eba04b2f8d503076dbbb55a88. 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/QM4TX2099403.