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 0x18e91e2d909d2bb0ee4a3271ef5002d1a7ac1346493ead1c0444e48eae2203ee. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09bb8b11-d364-4a0e-bc23-c186f3470636.json and https://artists.proofprofile.net/proofs/artist/09bb8b11-d364-4a0e-bc23-c186f3470636.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Deep Progressive House Set - Dj Continuous Mix
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 0xded0252acab3600e5d176c68c7bd9748349126b3f7e967e1144e1e17faefc170. 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/US83Z1899360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa99c9fdad777dbeb3b045a39d869a8af0700628b288cddd8beb24e6f565554bd. 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/US83Z1899361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcafa0af9d8b313aa806a03e7ead2eb4b7652d70e2bb658387e19b7589553c295. 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/US83Z1899362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e3a3970f5b233bcf00f1831db33f3a5783d1b21c9e791ec8dfb78444c5bbb3e. 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/US83Z1899363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da709088bf4674c7f42f6da56c58d42711c30dc70fdd158a1c7640b29df6a08. 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/US83Z1899364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa4ffe3005ab631281fcadcbb7553b142eebd704931f80e72289ffd638dd4c27. 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/US83Z1899365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe948e4b38b39bd67daf4c85900b1cb6e51a4737007601b7a225a27d2ffe534e3. 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/US83Z1899366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f412da7b08743a8b0dc6445452a1b690db884e5a7894ecff9196a87ae98f0ac. 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/US83Z1899367.
The Curve of the Moon - Pacco & Rudy B Rmx
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef96b7fef7bf3af069b69946ef6cdf294459b5559c2e11606fe4fd889a6561e. 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/US83Z1899368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefd38815cb69d33c50ad64f03016f297220a2ffd16dc06e22b4ab1368a22bc69. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/US83Z1899369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380cb5730c7b6558c180476da5b09e5ac437b217ebef3038cf4f2abfc26cc591. 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/US83Z1899370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf629a53df32f5d253094c94a73cb7f5bb5196d5bd0d530d639e42e55e62ed14a. 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/US83Z1899371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac949a9b512fd72a434d3cd260cc749b08be1d35bd8fb8fdf306b7da1dabbf62. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/US83Z1899372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebbebf5d6afeb61b1a6088b125094cb1fdf391949749093651369c7998733012. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/US83Z1899373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d6e5f5c51adadb0afa6acbe00496ba948dca21de722be285b4ee10d53263cd. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/US83Z1899374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f767cff1f5a7cc140b80cac49fb34853a3271e3a17d114e75d0973b6aa31f4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/US83Z1899375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe501c975c8be5a2524de17c0cf21974ec20f85bc5676330e7f058799e0b5d83f. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/US83Z1899376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb475215b4f5cd37db812f90f5caa21ba33af9fd7d8cd25a3c81c94b2c66c7d35. 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/US83Z1899377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb242b271d7063b221ea8e1a5ff3838052756944f34f408f0d3e1bf0240f79c9c. 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/US83Z1791186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a2135eff0f424d4db1499e6ad8edd1c151f1648bcb0a4484352a2544795240. 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/US83Z1781749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d9855c33a34a86d1808c50607b435f2462f5bef98326348ebcb9b1ae7429bb. 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/US83Z1899261.
We're Good Together - Pacco & Rudy B Dub Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf68fc2e73eaf554739255aa0195ec3cdecd1e0de8517f4aa4c62177765fa23ea. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/US83Z1782909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a28ad9aa18d75e5fe9269fdb68a704e19fa8bd1fe0dce1bf20107645e55b045. 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/US83Z1777414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84f231e63923db539e4e343da4e5b2613f55c366d4f3d146d8e24461e6b8bca. 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/US83Z1777416.
Ghost of Avalon - Napalm and D-Phrag Rmx
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d359358ab9461c8031e0b96a189591dabccef9406958027c6ad891624d2ac9d. 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/US83Z1659864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e64b34841cb461d5a1a2cb582b4d3feac0aafcc296e9434285abe24aa387d28. 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/US83Z1659900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1fb598a47b3fe081f0a9006a8c02c44e2b020789e1a913058bdc18a503e49c. 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/FR2X41575293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7504d2757c20afeb256caf7075cec788ac3571fdc068c29f3a3506455470fc31. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/US83Z1528245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1b4141de755d89d403c8668215b8225119785d721e08d2ac22cce654c9d6b8. 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/BEY921450297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e3a4d94d69a75c18c151bb3a1e341c7f9eb1bb8d959bb758d81873180861e5. 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/US83Z1475526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc16b77df5f634acf9b172a06d738b1a17fef906a08845aaeb569e77aa203058. 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/US83Z1500145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2601137e58c3fa8819628a3e7f19b3da1e4861c5cc875b110686d9996e445075. 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/BEY921470248.
Suffused Grooves, Vol. 5 - Continuous DJ Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a97836b94bbe15082f64a891913a0c4b86b6803cde4a78f4f21de278c2dc4e0. 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/US83Z1809123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fabde1436f2b8b58fe24f593771775d344b16dda6951fd151ed7a0686ea5312. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/US83Z1809104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdda4ebd8e289b092e0fa379c5bef8af9a52c6771e973c6d83da54b42067a61e. 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/US83Z1809110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda885011d9498c835bee85718e04dc7b580d7e27dce65d8ce1523816252d230d. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/US83Z1809115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93866a920377e7db422d917cfb34ff6c41c29e87121a14978b7e4c1965ed960b. 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/US83Z1809121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8f332aae920f5757700c28b0a9d9167d983323c1557eaf4e5b9f7773e0b11c4. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/US83Z1796502.
We're Good Together - Pacco & Rudy B Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3266ded84a45b63c1baec49a078b35b0c79fd5718f9da8d09fbd0f7af58863. 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/US83Z1796504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31048be55b446fb5e65ba3b696b813f037d61d6c8c2f611d68c9aa2044eff965. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/BEY921901400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f96a1be6cd87e703d07fe1dbea2f31b0fcb142311f0717bc3d73eb0541b2b35. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/BEZ451820276.