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 0xc7a25c715831d0cda7a448469ed0190df941789bfd26a32dd9f48e6506a609f2. 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/ce8ed613-d6c4-4d1b-b8ab-506e38b36771.json and https://artists.proofprofile.net/proofs/artist/ce8ed613-d6c4-4d1b-b8ab-506e38b36771.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Straight To...Number One - Duck's Radio 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d523faf30c5f0d992bf85bffe6ae0c84ab6e1a93f90668d6508a70837e3de0. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBBLK9900226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc43982e53580212d370cdb4531695190dcb82116228e22cc82fab83f895ecefd. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/GBBLK9900233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0447212a182dcb6b2fb3e8e9b1bc8317f025cdf0f0557e1c335a7225a1fdd9. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBBLK9900235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa960189fd12c03e29f238e849ac583ea78b31843d7816a70ed995f30805bdbf4. 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/GBBLK9900237.
Straight To...Number One - Dreamcatcher's Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396b23a09e61482d2b77cffd677f53493823e71838fee5c8734fbdfd712a575d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBBLK9900229.
Would You...? (Shumba Maasai & Aron Kyne Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a972109117229c18d3704c9aa9c8a9c18b2a181f85ca61fcba135d089438993. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GB8UU2500130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9372e0bfed390a18eccd6ca96b4a5877355c6bb04785ae69f97d1f0e1772e1e. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:56:44Z), 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/GB8UU2500131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f35947a469829d3f18edef49aa5976703ea0db83f500042d1dbf8cff38f4cf. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/GB8UU2500132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bd0aa85732f1108333e6cd295ee3d9cf3915238dc4a1470dd61c75450a83392. 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/GB8UU2500133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6a60644e7246d384e040ed51de66eb49a75028507c6d058de1529a85b5cab16. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/GB8UU2500137.
Would You...? - Shumba Maasai & Aron Kyne Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea26c26e088aed4d676746f2086f88ad63867e3f07e99f107dc5a87d1122ece. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/GB8UU2500138.
Nothing But... Funky House Grooves, Vol. 20
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaca594941b1552174ca4d524dbe25c0c25be6dfc50c809f2ff3f55c9f4d30a7e. 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/GBJTR1800069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7308c4a20cdef85cca051d8f9c80689ff14587141843b02369179237975d10. 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/GBBLK9800236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6e70e6ad7d4f2a2ed9265e3e032aaba6765ad5e00165b28bd32a4e5ef16fd3. 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/DERN41600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a0c9932ab41c4ab8e847369c68daa486a889c39cbe6eb49e4d5cf2ba214d1d1. 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/GBJTR2000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef612a1c7c27442ad82f56c340b498e2a859ffa00892104c770d3e76955590be. 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/GBJTR2100017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa36b5f125f3b81d39771dc186655dad97d3bdc9a8a4b21b4bf4b9fcc1d83ed. 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/GBJTR2100033.
Jazztronica Bliss: Modern Jazz with Electronic Twists
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0447212a182dcb6b2fb3e8e9b1bc8317f025cdf0f0557e1c335a7225a1fdd9. 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/GBBLK9900235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396b23a09e61482d2b77cffd677f53493823e71838fee5c8734fbdfd712a575d. 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/GBBLK9900229.
Déepalma Amsterdam (Compiled by Yves Murasca & Tikki Tembo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2bc23d405bde05f50c8a54a0eaf35d5f45cb350f5d7b06f90b0cbc39dec8c7a. 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/GBJTR1300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7308c4a20cdef85cca051d8f9c80689ff14587141843b02369179237975d10. 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/GBBLK9800236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcfd1c1bcf78e6ed84db44d55c1988d6ce4ae88f61c42c52859f6f14b5a2209c. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/GBJTR2400042.
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
Moonlight Party - Touch & Go Laidback Mix
Déepalma 2017 (Compiled by Yves Murasca, Rosario Galati, Holter & Mogyoro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c5baa8d25335fdeb3d49e79f8a26d22c36bbbee4b9cfe9a9ed78203a943b7e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBJTR1600043.
Beach Disco (Island Moods and Grooves Volume One)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd476c35d12aef2474d56401eedfa33bd246d6f222972ecf824f83039ef152cf0. 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/DERN41600003.