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 0x55d9c0e145227cd2a371c79f7e9d8523f64e6510dfd91596a48a246aaad4213e. Chain 2 (Bitcoin): anchored in block 953719 (2026-06-15T01:07:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/890bca5e-6e6a-4203-9ef6-fc31bb9d0790.json and https://artists.proofprofile.net/proofs/artist/890bca5e-6e6a-4203-9ef6-fc31bb9d0790.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 0x7e77bc3f522ec08098c6f6d4f171ef34142f0b1261c7cb823d2dd64fa112ed93. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEH742211132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0868bce13e869f07ece07d544f39da2a92c51cc546ecc59789e03d1d27310d9. 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/DEH742211133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad9dd1ce5a939277a62affbdd50025df5d7ed5e7b4f8bd43a82773bd80630e3. 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/DEH742211131.
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
KalaBhairava Ashtakam ( Jonajosu Remix )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdca908ad7efd102bf95cfc548e8f64ca90d7e04fc11c86635348856903e26c83. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US83Z2337189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf657bf0da16ccc5fcfba0169abd9e4db78f920d62ae640bffabf02312aa02147. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USLZJ1941950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7595ae3b804d330c8ee06acd7e66bd7ddb17e7cbb595be019b724f0a5226fbd. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USLZJ1941957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ba35aa2382d26fc8d7760de4b52f8de68f9e70289977b8cdbc6688e3a4cb65. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USLZJ1941967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0fcd2af6721d55a5a1dae1ce160c020b6b569dd556483dbc9c36ea0c74cd1b. 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/USLZJ1941968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa022c581f4d91e679429fe70f694252de56f13d1c257ef548c48677aee06bc7c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USLZJ1941969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x351ccc0770786038df66585506cfd99e11a8d101a9d4a08d4e7c4bccaba34737. 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/USLZJ1941970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a551e946d424877694f87bec49fd6b78820971e6cbdbd49ab0769147d9766d. 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/USLZJ1941971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cfe58cda772a531cb920ff97500dbf414ea7639cece5ad798b75842c26a3002. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZEB2457802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f2f7bc51c38b71523f249791e5ae8dd9c6b9ac4ccad11f87ddecac45ea4dfd. 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/QZZEB2457814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d6116292d334c2eb94944d7643b9b597b81c620a3b47b6a96aa218b77f471fa. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/QZZEB2457876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9b48887c4b4139e826196e349ab3613c72c21afc002a8a28272ffd5ea44e1e1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US83Z2426929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45f2a6230e7d2c0c415189687b5dcec4b36c32758a08ab8d09447a0392fa7ad. 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/QZ5FN2073038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9bceb8587e1d3477292f2c7b761e688efe135fbd3281b32dcbe3a8fe756dd3a. 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/QZ5FN2073041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44e79195b4cb7764b290a1b314ee1205fc36f07cacd9c3d6f0379a73803c92f. 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/QZ5FN2073042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfd9522b687f1cfead9020bfb7e861a5f3958a3af33e4b81e29414f5e7e448f6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZ5FN2073044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa47f01a7cb73100f3491b1fea7e166b31aca7bbd3e6c3577d9052a8413bbcb64. 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/QZ5FN2073045.