thumb|Désir, sculpture by Aristide Maillol Desires are states of mind that are expressed by terms like "wanting", "wishing", "longing" or "craving". A great variety of features is commonly associated
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 0x972b4d69ba2510e66d4c053600fc8b9797436e48efb6684009f05e6aec406e85. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/72d34252-3eac-48d9-b5fd-173338e7b146.json and https://artists.proofprofile.net/proofs/artist/72d34252-3eac-48d9-b5fd-173338e7b146.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xee59088f5de254eeb8778d638461232ce9ea8301632a938db00eb323ba634e45. 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/QZAKB2200488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50ca5b2021dcceeb47355f92f223e72a68cc9f5de06c009bb4a71314c03a376. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), 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/QZAKB2331380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee90d07abbb913d0350373bf18070ffa37fc0656cb26eb6d7f46b2367318197. 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/QZAKB2331381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1c9b4baa3ec5efa2dcaf8b9b982e5faaa0349661ce55d58cee7d639e8df7d48. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZAKB2203535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21512c163559179ac2050eb783ceab043f91bee000da79811138b1114ee53fb5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMFMG2317727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bbe4d38504b2a0fe942445a7218c70fe2d96c93cb3e611e70e89117a7301a96. 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/USZ4V2200017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e56fe690b2e6ceac8b910408b2ef80297a03a0fa51b232ae781657ae36ee6d. 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/BEN582300443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bbe4d38504b2a0fe942445a7218c70fe2d96c93cb3e611e70e89117a7301a96. 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/USZ4V2200017.
Waiting For You (feat. Desire) - HoneyLuv Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca368531e65a78137844bf2b94d80c44bc36d8e5cbe03d30284c2d7f0175dd1. 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/USZ4V2200138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa55e29cb2e91e1f5139ad753ca22c439f687c78abd7c63432d74362870c83d9. 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/QZAKB2155325.
Don't Call - Guy Gerber Rework - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d1502235289985787f25fd1524d80e150525dc9aff0d7e5870f758d21db8698. 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/CH7532000004.
Don't Call - Guy Gerber Rework - Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e73af83efcf92defd68bc456615e2a28000c55cacf18c3fc0095713eec732d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CH7532000003.
Holly (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8058a9f6476a8c16c70124db255931d3525982e745d5798bee83746001f990e. 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/QZAKB2351451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd255a4725b8b64bae032b954a265818bc46dac543031bd0cb94e2504f0d0ed4. 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/QM24S1805415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00722c181a737101bb2bfbbe32aa1fe3ce2868359e3b525e56f6b8653892360c. 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/QMMMF1700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f3b6c39a549be607cc7473b066bdf7c218f054d9de7e5a4cd861d3ff386c0b0. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:12:05Z), 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/USL840910008.
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
Lost River Original Motion Picture Score
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c4fa47c5b7cdb69e175104452b152e9674fbb106d0a758279de328f9a80f967. 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/QMMMF1500018.
Waiting For You (feat. Desire) - Kalabrese Troxler Alternative Mix - Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6045cb15816ebd5903eb9f1307aebfcff570d930ae8ee15e11235b62ea25a3d. 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/USZ4V2200141.