Big Black was an American punk rock band from Evanston, Illinois, active from 1981 to 1987. Founded first as a solo project by singer and guitarist Steve Albini, the band became a trio with an initial
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 0x280cc72901b98ce107391e2c84240c475df0e0b43010f337e733d87698c5db93. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/244b6857-6ef4-415c-8b2c-0e8b942c6113.json and https://artists.proofprofile.net/proofs/artist/244b6857-6ef4-415c-8b2c-0e8b942c6113.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 0x0af1ffd914db0b75b5e3f766964a9b7e42e821887c2fc2b9c80abb14158c8115. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG39208101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f9ce9498dc66facd5f3913552bbef0fabe30309be3d1689c81af107a6aefe0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG39208103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff824ff78e1b5aadb746adf68df73c8af9e79ad90bcb91ac1a1bd641fb29f23. 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/USTG39208104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc8868f14d43d1f347de88d7f085dca341640322eebf23ef04a3189d6fd10c59. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:21:09Z), 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/USTG39208105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x554cba6e7fcefd13a8a9305df33bf12bf83b13dea8718ce47e4fb3980d2482d1. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/USTG39208107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11c4620e57127c2f43a1afe9a0d321fbb181b2bb94598ce70b0ae9fb96906905. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:49:00Z), 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/USTG39208108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96759c471169fab6919f8fc12da93cae6b34dd58740a92bfd0a54fdfafd9ad9b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:23:43Z), 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/USTG39208109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4348dc0c8b5cd0028e144cf0f79a2c76b6d2ee5eadee3d0ed76925f000abbaf9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USTG39208110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f40704832dcda1215342e57dc328048c779a09770574a0022800081560c517. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:48:55Z), 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/USTG39208102.
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 0x5d698ab5bf4c6dc06e2621e25e2810266f2e56853396a156ac257df4383286b9. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USTG39208106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7c719a3b4cf5094ce5bacca5f36d46ca751aa144965f9f11e8634c485af8d6. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/USTG39208111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa970b8416e3c84555eb296cdd829bf7fa106c546916a91c952c497a99008b6. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/USTG39208112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa615bc3e8d9ef038c43566b0d7c8565fa02ec07893399188607af4f7cf6501f6. 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/USTG31702401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa363b6bb5fde0949c306631df1fbc8b8b6811fbdd92982ea363f4b1252cf22c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USTG31702402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd09fc951d3d9e58249acf174e72d16c30733b5057ea7ef07cc0ac771858b06. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USTG31702403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3060361936667c735992481adcc8188edea604f82b2781eb4cc66522094dc4f. 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/USTG31702404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c74c3b66d550beb6fdb784e42f9ad2289ab29c68aa22c2bd7c2811657d36f0. 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/USTG31702405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8956950fc342e8461fe548240cb9bd6ad9ce812ea269c1854b2162b5b59119. 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/USTG31702406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a79fe0a861ed91d88d9c799e43b0f4e903db3136d63f784beef4213e6dfc2c. 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/USTG31702407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cc240c1f01ded5ce66c0522f2d4f6cb3f313ca88b40ddfc96561755b1023d51. 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/USTG31702408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9179487cb7051dd96437e18750e90bc47045e64e6104d89cf2e04ced55cbea0. 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/USTG31702409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858e0d1bf3985e3e11e4807b874eafff93a651a9544a26aa185dbc324e72ac67. 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/USTG31702410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ff1d565d119d34c774144bd059602859b0e5b60e712f1156c8201e5246e99f. 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/USTG31702411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338b4157c9e003cec5fb50fa3534a14f797fb0851324aa0e249ea5861bfe1d18. 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/USTG31702412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd3a45f0f1cd7896e0d94ae855d7c51fd4555f3b33974f924bdae6c8fef804f. 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/USTG31702413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003d9c8919b82d5ea7a5884661af4510e96fdb53d39600790c3db62fe53e5f83. 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/USTG38702401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266bad1434d0102525aae4468d830c4690ee1761cd5be12283c3c09f9ab4cf58. 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/USTG38702302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc6c4ee90a95b50aeae562ccbc539ae9aaa84a0510af222390c3f8c2f57d5946. 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/USTG38702403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f970ef813c0d04799ef72bac244335367e6f080b469a086336819ee931f85d. 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/USTG38702404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9f1a8be410df2b4adfd00526e83846277ac88ba5c0dd81b505933b1799748c. 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/USTG38702405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c645ee8c7367be940a4b0d2b191a9c8e5bdf18325b4fe810dea963133cc25c. 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/USTG38702406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b78a74adde62aeba8da564b9d3f9dff52e498adad79c54fddd99e625bcc880d. 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/USTG38702407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2591e518cb7d3cf0357701ada1bc103ddfb8fdb5ba1c175ea00c17816873c82b. 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/USTG38702408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3f6e6897c429d2126471c1828426a5b5efc7d8097278ecfb523edfff80f98f. 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/USTG38702409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5a6d5db744ac85cb50e194946b7336638881c79cccb1f3e0a6bb60c7090ad43. 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/USTG38702410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c8d297b62620298cf299f767dfccffafc2b9b8af2233cdc6af91ba193f7e8a0. 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/USTG38702411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9969a5694777e9e0cbf3783f5204df7ff68563e849bf4bd1a2eb6916a4e5c4. 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/USTG38702412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde389a1145f3df1998e7af5832102d7aab4c68535f45c32620263a822bc36c97. 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/USTG38702413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0abed19c08052f71edb90afca50216c530a20633a522b84a4029647551dba2. 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/USTG31409301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe327f499d8580cdd990decb1cab8297cbf56fd085b41014712117518b3193ae. 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/USTG31409302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18ab0dada68d9b1f3ef0862bccd9cff819d25dac915af1e65f9d7451a22b8b67. 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/USTG31409303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64d4041569eb76589ebfd5a135af4b8e4231a9e39dc3de4d7a8fe781fa8f462. 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/USTG31409304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0bfb5fab23f5e7eaf4b96fa80db6500aaf656115296f84f93dc3f9dc5f8027a. 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/USTG31409305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc8eb6776410d7c85aa46aeb12a61b50f20c9936705c6045e841a001058cc60a. 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/USTG31409306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d06095feee7fc760396590341053357cdd30afe5d4a182bc53e5810b816abe. 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/USTG31409307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x498c2422f042d70b604bc1bcc41fff3f40a1634b2cc213de4b4172b6f0f3fbcf. 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/USTG31409308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00478dae3b48e66277247605056fba28af8c1ac0f49517484bcb2cd107c40465. 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/USTG31409309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1320d84e6b49bab94c6ecec3f30e523e0425522e6c1b161335a30bdb31b18a. 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/USTG31409310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe404247ce5f7694013f6d5c6d64b1ab60a0b3ff3649ab25d5a324bbe793ac3d. 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/USTG31702301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9db03e3af003349bb880209a4ce4f21e66c24b33a346a7a9ac08006ccc1d75f7. 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/USTG31702302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6610d7972f1cd3619562183e23b0edc135cf65f6b97076cfaf874a550036f15. 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/USTG31402101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80f4ec37638477d5c31a7f4638097b2c749b354f1bff71398c13cdc179f67c5. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:28:23Z), 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/USTG31402102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac7e896803bb367f238db0355f0c27cc3d79e8f49aed8be92b27db57a3ca2eeb. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/USTG31402103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be6eea4088d17194223ff1ecc68f11d1e3f5b3105acc1ac71904b24c7685cfa. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG31402001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9534e9a4a3f2cc014139f163a8af840373b7f69a24f7db30cb70a20566f587. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG31402002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7ce74df243a0111928b85ae6d26b3b8b4ce87de28ff3e473ac11649e2fe00e. 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/USTG31402003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbe65fff6dddabbc34b25e32d911a4a9b0cc2ff92c4b3ed398178a24334b31d. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/USTG31402004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed45f849287dedfff4adb192a98056a7e98f4c3bf0829dec6cd2e642cdb6b8fa. 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/USTG31409101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0649e5fdfbb53ee0543efa6257926ddd9c037314b1dc50c0ec7f3b6a0d4649a4. 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/USTG31409102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396ac9d2fdc998df52101fe5d0e823f558b2ca60f6956be8f0cbd7a7f1cf9276. 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/USTG31409103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0fc5042ae7be1bde68ddb4e9bcb0c96621e822243cab98a7e894e359c7efbc7. 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/USTG31409104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13abbb7e2a96192c2b24afae82acf493efaa5559de09365530777e066a396cad. 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/USTG31409105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5747d03b7b96824e1c6de58297bc168c9b377fae0837c8b24c6df948d20e6fb. 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/USTG31409106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac10d62f270f9da6196e56ec3e7da8effaf69086d6b0a6401bfaad86d4e5597. 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/USTG31409001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f332d7a2fcb9a3dfffdc904110d5ec32cd61f62d600a98eb066a4edc74f4407. 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/USTG31409002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fb3f91a3e9db94954d7be6c88bc94a03e982341b90ac2e813076414a91b675b. 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/USTG31409003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d26b3fa16def513d6c3cd79c4f333ae4ba2b78664d96a92e595801992694b4. 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/USTG31409004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc511418b50d35c92fb6fc9a0c3252221a67fcf646c36a069e5576f594312e2f3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG31409005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f84932faaa370e9f1cc35d8783c1d0f11c5f4d1f9f05add9507ce48b474763. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USTG31409006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x927f9f7016420ed3dc8de35292431ad5f1f94778b332e95538139d9bb974ddc6. 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/USTG31408901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa608ffbe0d967f33993a91b7cf4cbe3952d2929a5d70a8fe0c124545913397ae. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG31408902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb7325b0dd6e0f3c3537f8682bda76b20913bb111b39d1ec6d6a038f482a466. 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/USTG31408903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05ee47d232422a3a52f9889485dbc163f9b68e91f0cb49156ea07e7bcb0f1c6. 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/USTG31408904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251e4ddf3ef8f45b50e021186fa127f59830bcaa55b13bedea6e395055f9ebcf. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG31408905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6c3b92103c48006382cb44484e01ad1f62d8ddb92d69da593d95b2a0e3e280. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USTG31408906.