1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x6be3bf8b30307dba157cb46a065a415e2d40f81e965df53495e0efcbd136f83a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6b205de-a9af-436d-bc93-c79496c2821f.json and https://artists.proofprofile.net/proofs/artist/a6b205de-a9af-436d-bc93-c79496c2821f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x92ae62911f0666a6bf6df35efbd1ec1df639080e25355bb31c9483c9b46b359d","isrc":"DESY21400054","name":"When Smoke Fills da Room","registered_at":"2026-06-28T23:45:21Z","spotify_id":"6RbgyWpHGnWlI3jhVFEPTI","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ae62911f0666a6bf6df35efbd1ec1df639080e25355bb31c9483c9b46b359d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6RbgyWpHGnWlI3jhVFEPTI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6RbgyWpHGnWlI3jhVFEPTI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8063f2d578805c12efee1cc4418a87a1ef3203f79b27240b9ce67cbcee758e9e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1e3oS1cJpixUMNXPccdCND.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1e3oS1cJpixUMNXPccdCND.
{"copyright_id":"0x34dc14dac5c8ea690319e1b7f06c980f4480bb3ca97446d26bdcce3ed4b0a4c2","isrc":"DESY21400030","name":"Best Believe","registered_at":"2026-06-09T16:28:06Z","spotify_id":"5xZKkGjcSvdjy8rP3XNEVf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34dc14dac5c8ea690319e1b7f06c980f4480bb3ca97446d26bdcce3ed4b0a4c2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xZKkGjcSvdjy8rP3XNEVf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xZKkGjcSvdjy8rP3XNEVf.
{"copyright_id":"0x188cf0da98bba8fb7715867672e2b05599951fcbef4f94395d68b90e0558bfcf","isrc":"DESY21400033","name":"Eternal Youth","registered_at":"2026-06-07T19:07:26Z","spotify_id":"3CGdQ0avBPEldUq0jpwXRo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188cf0da98bba8fb7715867672e2b05599951fcbef4f94395d68b90e0558bfcf. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3CGdQ0avBPEldUq0jpwXRo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3CGdQ0avBPEldUq0jpwXRo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db239d8a3872864d9344634455f97710bdc3b09b21870a399b904da11abc277. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/45pgzOqvxSuofDtLgF8ChY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45pgzOqvxSuofDtLgF8ChY.
{"copyright_id":"0xfeb1d47e9ffdadf07c34deed246759154cbb257d5ee5d87721fbbfb98361e332","isrc":"DESY21400035","name":"Missing Her - Interlude","registered_at":"2026-06-18T14:18:23Z","spotify_id":"0lFC9NFR9iG5LtcdgnAQ7h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeb1d47e9ffdadf07c34deed246759154cbb257d5ee5d87721fbbfb98361e332. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0lFC9NFR9iG5LtcdgnAQ7h.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lFC9NFR9iG5LtcdgnAQ7h.
{"copyright_id":"0x4e8e7e1e03d9a0b7f184bc2b60e4bfeedcecba5acb6f0db9bc19b970a6fe890a","isrc":"DESY21400036","name":"Far Away from Here","registered_at":"2026-06-08T02:27:32Z","spotify_id":"2HgEMpE9JYcNhw2f3cqMFj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8e7e1e03d9a0b7f184bc2b60e4bfeedcecba5acb6f0db9bc19b970a6fe890a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2HgEMpE9JYcNhw2f3cqMFj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2HgEMpE9JYcNhw2f3cqMFj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb610b4fe2c4449964498dbc8b62d91b6f853f1686ed497127dbc1ee452cc501. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MGpFYFWyzQHUGpMNlF0S5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MGpFYFWyzQHUGpMNlF0S5.
{"copyright_id":"0xa7f905dbb96373de5058abbfe48877e8827ac4cb63e993024e0aae75901c0ff8","isrc":"DESY21400041","name":"Smoke to This - Interlude","registered_at":"2026-06-24T10:10:17Z","spotify_id":"4NbNA9JOgaDbiqizdiJ8Ob","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f905dbb96373de5058abbfe48877e8827ac4cb63e993024e0aae75901c0ff8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4NbNA9JOgaDbiqizdiJ8Ob.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4NbNA9JOgaDbiqizdiJ8Ob.
{"copyright_id":"0xa18cd6a2a628befed3afe23f3a730cd5f48e7782403707ef0e20c2edc50e0451","isrc":"DESY21400043","name":"You Are More - Bonus Track","registered_at":"2026-06-05T08:15:22Z","spotify_id":"6d1PSXkmCuxt1IuppivhPW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18cd6a2a628befed3afe23f3a730cd5f48e7782403707ef0e20c2edc50e0451. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6d1PSXkmCuxt1IuppivhPW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6d1PSXkmCuxt1IuppivhPW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618b2c70f287395accb54d7c49f3098ddb7ad1876277557946aed1e0dfc80a9f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5uHr3g7EhYJ8ZdVyCe1n9B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uHr3g7EhYJ8ZdVyCe1n9B.
{"copyright_id":"0x382a53024be37668d3e5b97570292d31a705a6afdff0dbd8e2335b512ece8a6d","isrc":"TCAFO2101264","name":"Better Interlude","registered_at":"2026-06-28T23:46:44Z","spotify_id":"2OeCn8vfv72yXEoZ5ZysxT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382a53024be37668d3e5b97570292d31a705a6afdff0dbd8e2335b512ece8a6d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2OeCn8vfv72yXEoZ5ZysxT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2OeCn8vfv72yXEoZ5ZysxT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x945ac4a771c364ca1f8d3ba2f926000ebd9c389fcbd9b79c7955796b1df65c37. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2eYPQyU7rKCh7wCZWwLOgp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eYPQyU7rKCh7wCZWwLOgp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3564519012c957fb3bb30ace0b0aed22501625e53cc0a4349cc2329ceb859f1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4SGuRDKb78T5tJMGhGPdR9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4SGuRDKb78T5tJMGhGPdR9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5320a4b97ac3bd07c1457bbe834e918b78b433073a6fd44f2168da3c787b54. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1slQbzWTbQyGDc4g4TTM3n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1slQbzWTbQyGDc4g4TTM3n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e7501e4c23d7a13ec13cd1585f9ee79fb579f1ccb11ece991606b97cf658716. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4RdYASmo84gYcNLhmt7SCe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4RdYASmo84gYcNLhmt7SCe.
{"copyright_id":"0xbb0aaf8fe9d8de83f78d3d82d439cdf09946a97f340ef0d7cb11acd5cd3e8ca2","isrc":"USRC11801708","name":"Don't Tell Me - IAMNOBODI Remix","registered_at":"2026-06-25T07:40:58Z","spotify_id":"1FUEczervBRvq4R3cBBLzc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0aaf8fe9d8de83f78d3d82d439cdf09946a97f340ef0d7cb11acd5cd3e8ca2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1FUEczervBRvq4R3cBBLzc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1FUEczervBRvq4R3cBBLzc.
Coogi Shorts For The Summer (IAMNOBODI Mix)
City Lounge - The Deep Session (The Finest Music Selection: Deep House, Trip Hop, Downtempo, Cool Tempo, Lounge, Electro)
{"copyright_id":"0x0d5f5cc4ae880d8881c8e18aac175ca968071a0d7962cb770281698fe5be5d5c","isrc":"TCADI1786706","name":"Cold War (IAMNOBODI Extended Remix)","registered_at":"2026-06-24T10:15:55Z","spotify_id":"4jyRtfz9d4S5eulz7R4DpL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5f5cc4ae880d8881c8e18aac175ca968071a0d7962cb770281698fe5be5d5c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jyRtfz9d4S5eulz7R4DpL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jyRtfz9d4S5eulz7R4DpL.
{"copyright_id":"0x97d7d4fac0a6cba1dac1dfe24107b24df04b41904ed59c21740d44a6e68a2c36","isrc":"TCADK1705820","name":"Cold War (IAMNOBODI Remix)","registered_at":"2026-06-20T19:18:27Z","spotify_id":"5FU3o15yeIzWI2jo7h9Abn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d7d4fac0a6cba1dac1dfe24107b24df04b41904ed59c21740d44a6e68a2c36. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FU3o15yeIzWI2jo7h9Abn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5FU3o15yeIzWI2jo7h9Abn.
{"copyright_id":"0x25b93cfb5b73bfc26fe1556cee22e51682278daacd8c9dae746a6bbf3a8bfcc3","isrc":"USRC11502882","name":"For This (feat. IAMNOBODI)","registered_at":"2026-06-05T20:42:34Z","spotify_id":"1lZD58hzqD67i8M0GHRxOT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b93cfb5b73bfc26fe1556cee22e51682278daacd8c9dae746a6bbf3a8bfcc3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1lZD58hzqD67i8M0GHRxOT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1lZD58hzqD67i8M0GHRxOT.
{"copyright_id":"0x25b93cfb5b73bfc26fe1556cee22e51682278daacd8c9dae746a6bbf3a8bfcc3","isrc":"USRC11502882","name":"For This (feat. IAMNOBODI)","registered_at":"2026-06-05T20:42:34Z","spotify_id":"7cYtIISdq6e8UtWKugjCvm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b93cfb5b73bfc26fe1556cee22e51682278daacd8c9dae746a6bbf3a8bfcc3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7cYtIISdq6e8UtWKugjCvm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7cYtIISdq6e8UtWKugjCvm.
Lounge Music, The Must Have Selection Vol. 2
Saint-Germain-des-Prés Café Vol. 16 by KlangKuenstler
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae3fb7fe72473ebfe8be885278eaaf45ed22f1a26e3c84656a6da2906eb4fb1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/61I14mQFghcIJMlJAGe5MA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/61I14mQFghcIJMlJAGe5MA.