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 0x675bdb88fd580a8130517edab8ee86befc69a6e2801943eb28f817db219d8188. 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/c542b5d7-fd8c-4e95-aeb8-7328a8eb7ad8.json and https://artists.proofprofile.net/proofs/artist/c542b5d7-fd8c-4e95-aeb8-7328a8eb7ad8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Get Physical Radio - August 2023 (mixed by Pig&Dan)
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 0xdd66ff94176f47606baa6373f582158a072c30d1beb84ec6e7c01570ec068139. 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/DEBE72300769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458f7cf15cd3eace87f0c693cf3e1078feb3ad70ca6e08cfdebe3a506ff2f0cd. 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/DEBE72300770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f9d52e79a59bef0a23a104d2d4741b210d3a2bcf54d8ebf0b8968ffb9bc933. 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/DEBE72300771.
Rescue Me - DJ Island Remix - Mixed - August 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9fc634fd33eeabe91687e142c0210a9c06d0fbb6e0f8c3af2b06e033b9b1886. 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/DEBE72300772.
Didschn - Monkey Safari Remix - Mixed - August 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878330dc144fbb6208040f3b28ffc1c2c5ea75ab5a77eb1f25393378fdb88e7d. 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/DEBE72300775.
Body Language - Patrice Bäumel Remix - Mixed - August 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10244806da161505e24cede5706bcdd04778aa34cc7e752f6da36cab41298ece. 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/DEBE72300777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eb10cf6917a73d2ca373f2a799d503ab5547fc4929c7d6e257f993f72266952. 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/DEBE72300778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x299739dab5bd4063ee35cb1b3cf0f4c13bbbc526b029f30c85ad1de2c60ec08e. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DEBE72300768.
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
Sonus - Lusine Remix - Mixed - March 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c9debb9d2fc11bdd433e22d4fb99e3b57023f8cc552d2bcd5567041205a701. 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/DEBE72400301.
Arrested On Vacation - Mixed - March 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d99fc3c4df98cc58949e749f1999f977a5639cbfd41ef65d51186a768c06962. 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/DEBE72400306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69449ff769b3269720685974e2b45b64dd2139749b9a985a34732cffb5fd6178. 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/DEBE72400308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01efc833b04dabe5de5b61179df8f6cf9bcab884aef63ce98d06bbe8c430f1f6. 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/DEBE72400436.
It's Alright (feat. Malou) - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08055610028cffdeee6a77dfc6b5aaaddfe856db97c640d32d87093df7d2f941. 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/DEBE72400437.
We Are Not Who We Are - Dub Vocal - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95151bf0668723733572d3bb8becad55896940261216288911c62445a6df134a. 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/DEBE72400438.
Cold Shoulder - Helsloot Remix - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f424b3450260ff30784512fe9e7f0a06a22ae1a4aeeeb6cafc9bd55e9951e7e. 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/DEBE72400439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58fe061a670ac8c961734ec9dbed1ddf737bafb6e2cc1e141cf16445a17207f4. 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/DEBE72400440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe130f8fcbb0bfd610acaad97313893b78e8b7518d42c06d8dc2219e41de0d10. 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/DEBE72400441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb266f33bff6d675eb5fc7b14e8c81c080962bc2abd59c5e8686c3418a6d151c. 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/DEBE72400443.
Ember - Helsloot Remix - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa85d2e16c81cd47db4363e245af7c31bbf20d9ae62282c688cd703e38c9aeda4. 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/DEBE72400444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811bbb590d6f6af53bffbc4eb2e6f03d501066c4ea6ed9a11440196b55306e61. 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/DEBE72400445.
We Get High - Helsloot Remix - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9ae0941421e968a6c73928705549ed0f9845b0c35898e4610d712859e83045. 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/DEBE72400446.
Arrested On Vacation - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c8b0faff911bf38d005e0b548ed4f36c0b7ea1566827df311e1c226be413c0d. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/DEBE72400442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5151d893d6cfcef36e0804ca5140bcd5e4445cfd301822011ada3b9216e711e2. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/DEBE72400447.
Beautiful Losers (feat. Rangleklods) - Mixed - June 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa652bda40ddd9ff8ccc9685716afad216915bb597d66ba6c94fedb2432679ea. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/DEBE72400448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ad92aa98691ad38b8efb719cbcab3df0e142362d66a06c1161f5243f147084. 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/DEBE72300167.
Fall into You - Deetron Remix - Mixed - January 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x737942ba46d51db7de52c1af13748274c9c4b8117cbed4a1867c14289b2261b1. 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/DEBE72300177.
Caliente - Monkey Safari Remix - Mixed - December 2022
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71b285df4bf337f58ccb866ca80dd2f08de5a657f02ee2a41b63f2892d207fb9. 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/DEBE72200824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6822685e41fe9b90e37e7328cee0bf05d3c362e1fe2c5324e819d9b0a04ed7a. 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/DEBE72200825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7d0b3dd4877cf7cb379c7780f8da5d30abe2930e4dc5be0f2f999bb2643d09. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/DEBE72200827.
Dancing In The Night - Roland Leesker's Ba Ba Ba Bam Edit - Mixed - December 2022
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x326abce12f741ad1a1e39fb19a63bcd37b8b26ac4f5453a61d0ad122787c4ae5. 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/DEBE72200830.