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 0x1316f08b5d0464232b3bfec25ddd33b16eebeafa9a40aa0e51bc918ec306fc77. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d975584b-dd26-4dc9-ad33-bbc473ab4484.json and https://artists.proofprofile.net/proofs/artist/d975584b-dd26-4dc9-ad33-bbc473ab4484.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 0x47dd1826963cafa779ac1d0d058ef8710a0f83559e7f00cb978f8f3fda119614. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/SEYOK1823972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8494d670cc5017464b05a954d5caf5d376f9db415cc3fb60072749642a6ec1b9. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:07:51Z), 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/QZPJ32129445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d17870e242a8e4c4a84ac51145d15031332debe7085c19835a7368ca2b2ecdb. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-20T12:13:09Z), 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/QZGWX2249941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3de52d7ea8f7904426912f7a1a825d5d2cea2b34dd9b60d3198483b896277fc5. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/QZGWX2248347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb432cc738fa15fc6c3e1476f285583cf6b3a120ebb4d0df4dc82199f4347ed04. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:58:42Z), 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/USL4R2024344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf413b126e3eb04e7af2a639a67b4c76476e0f9f540c28560d8b516020280146d. Chain 2 (Bitcoin): anchored in block 957690 (2026-07-12T10:16:40Z), 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/USL4R2024345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4011e1f0c5d686b101153a5d129af6fdea7e159343518a5dcc64f52ea20d79a. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:02:09Z), 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/USDY42160111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x260125503f76a9c23f28562d93ce17fba1177222ca5cb3416c5ac9c09dbc1dc5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZPJ32102573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ca6d29d6ed4a1af47fb0b7d255b4d06f5e905284a05e04e5027e4ca2ae509f9. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZPJ32102560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da679173b9eaff267bee664a177dbd4c6cf4386f209b3329643e806999a4735. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T02:58:48Z), 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/QZPJ32104670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7aee71ab241a764dcfea9b12c302b6b0bb254712274cd983947e9b73a515416. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/QZPJ32104651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9156646b0bb5ef20322a287e98e121435da5978b58d389079bb3b6df0d6f7ede. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:13:10Z), 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/QZPJ32102574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa774e612adcdb34cc497b79e87da85779c53d2b5dbebf7ec47262fd5269bb555. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/USCGH2231641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72f845dced6b7fb1acf3f49d1ab682f22ba4c6f7ea9153f47fbe497bfb1e24dd. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZPJ32151031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92a1350a60999c47532ee35477ff3d765f155967cc842c743b87bb03afeadc46. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZPJ32160880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x224d58ffd450923b3fb463bf119a886c31cb00a48b2f5aa0e9ebbed55f51c86e. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZPJ32172692.
Ga1ahad and Scientific Witchery (Russian Cover)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b45b1710ab98f463ab51e74a2a3a4146a8da673e9cd2374344c5e2638be1fdc. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QZPJ32175359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x342e15b03e691aedc90af7320ba7517db8482560cd16c69f8cf5cfab228299cb. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZPJ32175358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322772c452f0a29d07cf17488e50a08a1d621d697e765eec972bf5bb2eeb0bbb. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZPJ32175360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe6b24350b2d9e0570a2d6f1edc522fe9434a85fb73ab0c50ef04fdd2277c101. 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/FRX202357681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd745ff57a281fdab552b35b5c20f9db2bc33797e273c1ef5128286e9b92d9165. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T03:48:10Z), 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/FRX452304373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c666bc86439181e868fb10e01f19dcff39b637a1d7f3fb9afc34d19e59e29bf. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/FRX872324673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce47f8dc35dae0682b7699019765fcb15ef3678747955f36e4df141c068f903. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DGA062306714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8c2fa618871b2dce1a9dbc754f3ce3854dab56d04d99fc8e318f13da6d63dbf. Chain 2 (Bitcoin): anchored in block 957695 (2026-07-12T11:16:12Z), 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/DGA0M2374907.
There's a Cat Licking Your Birthday Cake (Russian Cover)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18e9ce87489f57d7848b19d04022f95d77a15f472722735955021c8f59eea1f2. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZPJ32506934.