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 0xb1d32e59fdcce7233a8a8ae0600c44a01ea79558b06b7e407cb08e040dfd0a04. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/499d0aae-ac03-42bf-a348-b772dd89340c.json and https://artists.proofprofile.net/proofs/artist/499d0aae-ac03-42bf-a348-b772dd89340c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
100 Nu Jazz Summer Classics (Nu Jazz, Acid Jazz, Electronic, Lounge, Jazz Funk & Soul)
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 0x2b7dd55273e1eb56f418c07947cbeccb65621646d6ea4ad92df85a904c8a5f56. 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/ITI020800275.
The Spirit Of Summer - Dave Warrin Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb791ace2fcec9682d2ba57a1bce91821b8415ca7d4838a1428e333fa34d9bb30. 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/ITI020100306.
Sister Bossa, Vol. 5 (Cool Jazzy Cuts With a Brazilian Flavour)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x274d85a1cd81fd9aef811ad12a5b0243c5e1cc47d105e4fc1e6b55ade0b45ee6. 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/ITI020300185.
Acid Jazz Brazil (Nu Jazz, Funk & Soul with a Brazilian Flavour)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6acf2c8d6af794e1fff346427ad7e19e62f99dfffaf221ea66eeb67444762be2. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/ITI029800085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aa22566e359fc05f2aa86431d6eb8d2504f492bd8f49b8a8e2f39738feb387a. 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/ITI020400150.
Ebatule' - Ennio Styles' Samba Funk Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7622a1d3620f122a15d8081fca145d98923db8ef41b7cc7d7bb1bd04c80628. 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/ITI020400162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374894655cbbe5e8694bae7d0235b49a7e18b1a6058c36eefb23ed9ad1ce169d. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/ITI020400123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50bedb8501afd29b0a306a1d7abc06e86be5d553bb843ba58289aa18f45c1da. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/ITI020400253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b5d9446333b79aff49d3cd1798836ada2811481d959ac2b8d1cf6415b5cac4. 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/ITI020200069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abe79488dd65826a889d8773466ad5ed650fd7975b1184de46ef3a85f9e0bbf. 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/ITI021300519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd0a5b9c0f3cad4ef2bec14cd2651241b258d5efa3e116e593133dc6295ef9b. 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/ITI020500086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb39f49c692b494dd4bc0366dd5d33fa418153ab4da3f0e9d76454430f614afa. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/ITI020200261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce52ec95131af5dbc6623edccf08065fc0880c001b2f8a931019d09c1994b52. 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/ITI020100294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x974817ded4634ff389acdf97c176a3c01edfdb0fa31116490cb3668ae753a156. 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/ITI020700031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4869ed80ebc95be1f18bb3e9cbeb1b3918458258abb6f30620496e9d74b6ec64. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/ITI020500014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc99963f326a88b943b948bfae1eecffd0108af04fd407752291cdaa2ecabd72d. 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/ITI029800275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a37c89f32df5dba6f4e07b9877b1a258ff5e5397ca0e4cc6bf28e5a1af63bcd. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/ITI020100047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c7c67dbfa379c948067423adf8ee0cad2e8b465e7dbcbe6f1e5c2ac8a01c2c1. 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/ITI020900317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d918b8e1fac8d196a80fed919e26981d96cd60d76b3f710c45f78e340fb9367. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/ITI020900335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac3fc8f3c5e8afaf8b50b1387a2bcd2adb6ce4df8953c2410348ebb6a66a85e6. 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/ITI020300161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c20d84bfb694ef220ebd6db4ce105ad0a64f966ce06052a05e69f5e5ea4992. 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/ITI020500039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50519714415225620ba262326109a0e641dcd127cd9f96b586f4d8735906b8a6. 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/ITI020600088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc64799309c4d3ff61f1e9bbdd49b37276d3e0dc0efd88a447475525f1886210. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/ITI020800052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d472289a4a41b41db30f606de130df6838e7e5634964a7d0f1e37d4d17d6355. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/ITI020900199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba731bab48351e8f2d2cfbb1967302ee52061182f24973c749c06a5a67d43fa6. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/ITI020000110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132eb3104317b8fa3eb5ec50e3d2f541fa88b38cad1f4d9f3feb537a65dce1b3. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/ITI020300107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5685cf68b828d620f826ff4002de5f4db1822d045dd2787be0f7c272abe24187. 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/JPVI09426650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf619988b07dcad22cac105f5712839d6f9995a2a814073d7eece08292749125. 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/JPVI09426670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d650b004d0782e2eadde20aae9bcf15e6f8f28006d089d7d952cba5bb5fbde. 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/JPVI09426760.
Rustlica (feat. Elen Nascimento) - Freetempo Lounge Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd80669bfa683cdc4f3e486aa3dc7c091249e96da502bbd1ca0a3716a1a4622. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/ITI020400194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31341a72b7368a13ae713f39d5a2fe2e8487d7f02e0d2665de885664623ea3e. 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/ITI020500007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed2e4702369e056262dfa8b960b918180cf3b39cd1de7e4d90716c7997d7cb9d. 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/ITI020500012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1151ad3c9105d4b04f9829beaa8bcdc8050091e9dd5ea60e0e57b553f074a843. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/ITI021200060.
Reserved (Your Password Behind the Velvet Rope) [Music for V.I.P. Areas]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51ebffba9443ee56791cb04a227d626da251bb9ef3a9a10462742f3b8cfb6ebd. 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/ITI020300084.
Coffee Shop Radio: Soul Music (To Listen to into Your Favourite Lounge Bar)
Feeling Happy (Bossa Lounge & Deep Chill House)