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 0x663886b0633df07b11727119031037f0a3463c7695946eec3a70668f5a2292a5. Chain 2 (Bitcoin): anchored in block 953938 (2026-06-16T11:35:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/204630da-c13e-447f-87c0-27424b0b1818.json and https://artists.proofprofile.net/proofs/artist/204630da-c13e-447f-87c0-27424b0b1818.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fete galante, Op. 25: Act I Scene 5: O, hor mig, forend vi gar ind, Suzon (Rene, Suzon)
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 0xc06c26b746b68f330558d7acac9aec916002475c3a5aa5a27d97cb136c1ec4d9. 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/DKFAA1300304.
Fete galante, Op. 25: Act II Scene 3: En vise, sunget af en lille uskyldshvid hyrdinde (La Scaramouche, Saint Lambert, Montmorency, Lauzannes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf30c5dd230c1b99e74c94637cb735894005ebe4f8f9b9f5a86e63e9259cff60. 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/DKFAA1300312.
Fete galante, Op. 25: Act II Scene 3: Truppens primadonna, fru grevinde - Scene 4: Hvad nu? Er De nu der igen? (Montmorency, Saint Lambert, Lauzannes, Suzon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937de2920be45a86f9f4f30c4ae4c943e3d22f1e93399db7f7b1a7855d699444. 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/DKFAA1300313.
Fete galante, Op. 25: Act II Scene 4: Man kan en kat pa kloen (Scaramouche, Suzon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf185e5fb7b7cc2c72b7b1e66cfb6998375f518df2943c9ab3d896f4dd712f098. 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/DKFAA1300314.
Fete galante, Op. 25: Act II Scene 7: Hvad er der haendt, hvad skal det betyde? (La Scaramouche, Scaramouche)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x041dd29e4ac0074a9249b41fb916fada2ce060601945e3b2a62a6e248de45329. 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/DKFAA1300317.
Fete galante, Op. 25: Act II Scene 9: Carvel var sig en haedersmand (La Scaramouche, Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf344ef8971a049f06a26ef1ebf4354681630fd00b5527af237616ff688789215. 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/DKFAA1300402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7772b4d32936751d32b82a3164dab324d40c01db24e880c4e8152a67afc0787. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/DKFAA1300301.
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
Fete galante, Op. 25: Act I Scene 1: Ja, disse omme elskovsklange (Lauzannes, Saint Lambert, Montmorency, d'Argenville)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911e52e38de48044db90b847d96c33b1bcc26631f7a99c9e66c9ab04b206d1e8. 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/DKFAA1300302.
Fete galante, Op. 25: Act I Scene 4: Kaere Greve, ak, det skonne syn af Deres unge frue (Lauzannes, Saint Lambert, Montmorency, Rene)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15de28c93a761f88c9a8719e9d87e2cac21e5401f78430f4600545b9b9c3253b. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DKFAA1300303.
Fete galante, Op. 25: Act I Scene 6: Aha, saerdeles net, forsiringer i guld (Scaramouche)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d694e13ca47e8eb24bfcb8e36ec5d098f74afbb265cb72a5b0ac0aad984c92f. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/DKFAA1300305.
Fete galante, Op. 25: Act I Scene 7: For fanden, av! Mit oje star i flammer (Scaramouche, Jean)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb16ddd50645125107848a5137c25a50b22b9e3760146483c7d686d6c06441598. 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/DKFAA1300306.
Fete galante, Op. 25: Act I Scene 7: Hvem kommer der? - Scene 8: Ah! fru grevinden! - Scene 9: De har et rart og venligt lille ansigt (Scaramouche, Suzon, Jean, Annette)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6574e93294f1ff728d90d2b24d7481a6255644b37968832808079d803ea96104. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DKFAA1300307.
Fete galante, Op. 25: Act I Scene 10: Ja, min Salighed! Der kommer nogen (Scaramouche, Suzon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef273ef71c8cf46d63939222081d7861200b7f7ee824d2ac8a9ac545d6326291. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/DKFAA1300308.
Fete galante, Op. 25: Act I Scene 11: Der bolger som en uro gennem luften (Suzon, Annette)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a92e25337615d57119813c648314768ce5c9d10587052e6eae8a4b7f31930e. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DKFAA1300309.
Fete galante, Op. 25: Act II Scene 1: Introduzione, quasi tarantella: Fingrene vaek! Jeg tror, hun er gal! (Majordomo, La Scaramouche)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cdc06c3cd8168afdbb225e37f9f5045c2169e774323d6bb898613061579849f. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/DKFAA1300310.
Fete galante, Op. 25: Act II Scene 1: Jeg har en ide - Scene 3: Der har vi direktoren; er I parat (Scaramouche, La Scaramouche, Saint Lambert, Lauzannes, Montmorency)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290046786f9adde5cca108f1efbf65f21eaf62aca40db722168a156e40f38beb. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/DKFAA1300311.
Fete galante, Op. 25: Act II Scene 4: Men pengene forst - Scene 5: Ga dog, afsindige, ga Deres vej! (Scaramouche, Suzon, Rene)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879d0a478c4b4b0a1a809ecccfddd4c1b7f672eadf51d5add4f4f8249e06c914. 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/DKFAA1300315.
Fete galante, Op. 25: Act II Scene 6: Du ryster, sig mig kaere, hvad er haendt? (Rene, Suzon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02d4d43862a73391843e24dee690ad5f2a6255483dd83c073390e93ce7d0004. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DKFAA1300316.
Fete galante, Op. 25: Act II Scene 7: Han er tindrende gal! (La Scaramouche) - Interludium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3517d46af954ff15627cb0ad28ec54cdc19b6e63d01b580f4771a8594bea77. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/DKFAA1300318.
Fete galante, Op. 25: Act II Scene 8: Se der, der kommer hun! - Scene 9: Du laenker mig med Amors rosenkaeder! (Lauzannes, Saint Lambert, Montmorency, La Scaramouche)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbad664a56d00a653b63dadd4df5074ecc6ced669ebefad16709bd43d5366a11f. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/DKFAA1300401.