Virgin Black is an Australian symphonic gothic doom metal band. The band was signed to The End Records (for the United States) and Germany's Massacre Records (for Europe), through which it released fo
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 0xb02c413f09f82e018a21056ebd017104ac4c58da3123b12f2ff638bff0dd26e6. 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/8f0399aa-667c-42ce-bb3a-46fae104e527.json and https://artists.proofprofile.net/proofs/artist/8f0399aa-667c-42ce-bb3a-46fae104e527.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 0x75080e268b6a1d71051a3ecccb3a62682373100f863597a87cff012ad134bbc0. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/US2420502302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e30c55d9a6c8aa5610464557b967f88de619fcb59576d6883b67c198e964e9f. 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/US2420502303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3eca09a4ae9d49e2ee68118411afb83579e84bcdfc2af4a7d0c78010b2a306. 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/US2420502304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6322c4473bbc31b85a7957a9aec01887e39f5965b9191df58d46861b1663c1. 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/US2420502305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa6954a7608aaa41d903a3f7ff3c718ea166dd3e5848e446176769a5064c9dd1. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/US2420502306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1fa061dc94b28ad48a8104ac3139ae14adb574ffa8a0acc652703daf7fa08ac. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/US2420502307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb989c36e64814e8357de87bdb06486ffc9528b3ea952d05d7f692da1de04803c. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/US2420502309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826f9e4965760befa951208dc9337ac78e45afbca3d9621caebc062517e2e245. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/US2420503701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3989b94cc248a2293cadb32aa92752e920dd33a9d0edcb146b4ce814db78f876. 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/US2420503702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7fc1bd910a8cca9d6073f18ed31fb5f66e3a2f007d97450092f8d177b8f0209. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/US2420503703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71cdeb4f66dc192b1ea5f483113911fa2d60b8e1532310ed1fd64ae19852e232. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/US2420503704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bdbd40c94a858f7aa2667590671aafddb8183ce711d7f348d923db2419097a1. 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/US2420503705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80afbad152e3aba3910b02eb1c2bbb1d265da9da41a645972e11b04a1f531b4c. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/US2420503708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c1af3e02601753bbdd9a2216dc564ae6a0020cfe240a72d758ea79252552e21. 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/AU3VP2300018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c16fdee9f75543a6b9dfb199c5f7dd50f5e6cd7a4950a0a462613988a6a87cf. 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/US2420708101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31cbe0a20ee7acbfe28cda4e4170938b1f4eaca8ce3554dd87f60d617edb4f66. 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/US2420708102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7647299853fefea6f015f6aa830199d76e3e4a4448b7b91d60444208005ea6d8. 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/US2420708103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43d641b1c3f614c3420c66d9adef77db9ad7dc8f197718322146a20cb56d4fde. 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/US2420708104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef7b9fb5d7a9c8a72a91d484485306ab5f2186c7632e3633b021124c9aebbe1. 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/US2420708105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34f8f4cd6ea316147425b9148cbd9b62eb04bdfe5a3af645f66a72a38dfa6c6. 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/US2420708106.