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 0x1f390558cc3636680d1807db345ffc261932d811ad342f85c35a73ba97844562. 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/03059d0c-7430-4699-b6e4-e67a4e8181fa.json and https://artists.proofprofile.net/proofs/artist/03059d0c-7430-4699-b6e4-e67a4e8181fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gratitude: Relaxing Flute Music for Emotional Control, Healing, Meditation, Mind, Body and 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x502ac1a986ff36ff80e80a2b856fbd65a379fc641697cfdf91a83d20df606f6a. 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/ITK262204595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00ddaf38c7beb82956a2d2dcee71e8cad0e74d0989be452768c4a5e1da3674aa. 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/ITK262204596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd901a69e457e5e929bd0b9c2572a5a26ec3754977c27d5efebc26c26952b32a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ITK262204600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5cc7f21ac237063a456f9ae76077f16f3cff2f367ff04f3bfb6cf24025a942d. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ITK262204601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a3580abb66dde145488d8166283472fe3b44cc3db3bab6fd1f64840fc23e8d. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/ITK262204603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f34579cd1bf49914376655991a483408588c7b6385f3d4998a882cfcbb4da0. 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/ITK262204604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5478d0098b1c9713c507cba635a598ace638c9c55c294027db4026f9e421a19. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/ITK262204605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089f081a9c602a729e9abdd7748639c9395a3240d588870538c87202c0b2baff. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ITK262204608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1cbda9814281ca17429440ee2cbb31881abf63b5461121d224d085c31c3317. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ITK262204609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb85d8651591645bc75c172e8703e90843be40cf62f65e95c2fc14d1151d7fd. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:02:36Z), 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/ITK262204597.
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 0xe98b5356c1301bfb7ebeca47c81af460bb96e5a7d356636c148fa82bbbc52cf3. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T15:41:47Z), 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/ITK262204598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbdcaa42d33f61e69776732fe60cb5ff69298667a6ae29fdaafa2c8191ffb5b1. 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/ITK262204599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f7a71f623b8e15bb00150cf93baeb9ddf9bff5ff921fcdb15bbec151a7ff5e9. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/ITK262204602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a0f9559f6fc32199adacf865c4fd7faec62377a8bd348a1e4cb21830cde6d7. 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/ITK262204606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb4259c64c23abb35e37ea97b1b31c320093c969b5579eaab11d20e7fa43318. 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/ITK262204607.
Relaxing Indian Flute Meditation, Vol. 2: Flute Spa Music with Nature Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf8d4c3fa30883b626140048302fda6f1d99edb524187584b18b90775f1434b9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ITK262205247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c8e976ce530cc33f61563d408fadaeab02aff6bc8f66a841b7cc97e5453aff4. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/ITK262205250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba25a2866b9012dcc77b824b4a9a1b5b15c0f052f7b46f93dcbd4a6400e6f083. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/ITK262205251.
Mindfulness Meditation - Nature Sounds Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57f868cdc64716e355d9605c041d0b9681a3811476be6b7d53291159ffa2611. 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/ITK262205248.
Mountain Ceremony - Nature Sounds Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1689af23bf0acb6cce299ee0c8553c6ef9bc3288b2199fe8ef5db8f434e752. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/ITK262205249.