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 0xb821ddfe2a4623baeca0c0e7b10326dc5a9622012e18db51f851574c0135844e. 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/f1721739-d8e7-4023-b0f3-a347b6318cb3.json and https://artists.proofprofile.net/proofs/artist/f1721739-d8e7-4023-b0f3-a347b6318cb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xe3919feb9e30323ea00630fdf153c306233b0f84c7c9a03b90bd6550d39c6d38. 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/6bG8bngQcIHiA4aYsfOZdf.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/6bG8bngQcIHiA4aYsfOZdf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eda90db375f26e1fb4058e6f319200056c31a62f522b43b358cfb5c6225592a. 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/5B2nFC5evyTilTYcAm4ZYb.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/5B2nFC5evyTilTYcAm4ZYb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd779a9b059662a7c02d942994aaaa5ae7c444084b44a6330b1c96fe78c959a1e. 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/3cRJolHhQGObFb472KTIdD.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/3cRJolHhQGObFb472KTIdD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb72446e98fd77ebc470f6fe43d638323235a5c5bb60305f42a9777c1a95ceb. 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/1ru3g8afcgsqFARmn1qpCH.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/1ru3g8afcgsqFARmn1qpCH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf51490175129e78460763a3f537c8cf4130144e84c41503cb28234efdddb913f. 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/0ZxMmDGRk5PSghIYccnSFo.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/0ZxMmDGRk5PSghIYccnSFo.
{"copyright_id":"0x79fde4cdbd9b6f0e9b8d8751c8bb7d9f9879fe744b71d4be09458614a8b136d3","isrc":"CAA502349606","name":"bonne patch","registered_at":"2026-06-18T08:09:53Z","spotify_id":"2PlJPDjcp1NLCfG0vwKWfo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79fde4cdbd9b6f0e9b8d8751c8bb7d9f9879fe744b71d4be09458614a8b136d3. 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/2PlJPDjcp1NLCfG0vwKWfo.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/2PlJPDjcp1NLCfG0vwKWfo.
{"copyright_id":"0xd283ea5e788caf4cc412774d655cdeb10f25aca1284f155af9a12d4db56fbb60","isrc":"CAA502349607","name":"c'est quoi l'affaire","registered_at":"2026-06-11T21:27:09Z","spotify_id":"52ypUgRokQRgYEYmnfsaat","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd283ea5e788caf4cc412774d655cdeb10f25aca1284f155af9a12d4db56fbb60. 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/52ypUgRokQRgYEYmnfsaat.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/52ypUgRokQRgYEYmnfsaat.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafcdceeaeb1bed05b2089513e14874faa7bc44a637162b928fc5ccbc696869d4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5gZY6ZOPf2C70N7DBAH91O.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/5gZY6ZOPf2C70N7DBAH91O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384779260fc9946437049ef7e3ba033838293d0584da294a9468f5f17ac73b60. 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/0MCAIk7BAiAuDW9M1NuqYa.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/0MCAIk7BAiAuDW9M1NuqYa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36833bf678737722cce2cf12954e70bee00c9e112e676d376689164031eb7e3. 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/1ljmy3EZuIOZVRdQJa0HKp.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/1ljmy3EZuIOZVRdQJa0HKp.
{"copyright_id":"0x33a2c5833cc2ddb43feea8093b8932fbf067df56cb65dd4e2f91c3aecc8937c4","isrc":"CAA502349611","name":"manquer le bateau","registered_at":"2026-06-18T08:11:57Z","spotify_id":"0v9e9egKgwtzPy8xFDPOT2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a2c5833cc2ddb43feea8093b8932fbf067df56cb65dd4e2f91c3aecc8937c4. 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/0v9e9egKgwtzPy8xFDPOT2.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/0v9e9egKgwtzPy8xFDPOT2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71855e8b84c21c49c82252308de697cd424a76622ee743f00d3013e0dc055144. 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/46jDcVpPpF53qei67CMmVn.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/46jDcVpPpF53qei67CMmVn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe67ac10026b89caeef27217bf58d8f563a72019d322846a661c691633d371dd. 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/4jhAuG9rGfvl3cKX5WBFdE.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/4jhAuG9rGfvl3cKX5WBFdE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37328cd102b08462fbce72566ad1d3d91222cf6f847ab804daef00da566ff6da. 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/45C5ByNEuYkjeW26Tl1PPW.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/45C5ByNEuYkjeW26Tl1PPW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70752350e9a15993eb68485f3f0bd08b5d153a478063a198154a4e686b2e1cac. 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/3YbtvseIhdZ5u1mwJ13ICQ.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/3YbtvseIhdZ5u1mwJ13ICQ.
{"copyright_id":"0x2925c87b48007d579a984c991f7278004addd03814182cbafdec8c7424bf2d47","isrc":"CAA502044804","name":"Quatorze piastres de l'heure","registered_at":"2026-06-21T12:36:45Z","spotify_id":"43vU3bNmc9bYDD5fZmBVmE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2925c87b48007d579a984c991f7278004addd03814182cbafdec8c7424bf2d47. 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/43vU3bNmc9bYDD5fZmBVmE.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/43vU3bNmc9bYDD5fZmBVmE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd52452a8473b4ef16983549f3768f8fe95730378ecb6c442b49d979a059e4aa. 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/6diRLHiFopiZZGfB8em9YF.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/6diRLHiFopiZZGfB8em9YF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf759acec4b716d3d8c322958c6eea1217939aa57947e584a6a9fa1e91c858bea. 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/0OucVUxG7ZgIsOW8LROcTA.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/0OucVUxG7ZgIsOW8LROcTA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019c39d4c57247b92a5fd8b336b7d098a2e9a9c4858db2a8d4a7ad98298ceae6. 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/2aJBb8rr62pMIaBeeXqti1.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/2aJBb8rr62pMIaBeeXqti1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7efe9be3eb2caf8669650191798077a98ec0056aedcf55c77842f039b4a4c05. 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/1QcVGVHVc1O5ELDJkzoOXl.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/1QcVGVHVc1O5ELDJkzoOXl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f1983c9bdd58358d3d53c9d062e8115644dcc1cf5b5a02bf7240cd48c61201. 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/6fscp55p4It7W1k4osOrEt.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/6fscp55p4It7W1k4osOrEt.
{"copyright_id":"0xe80bfb3853ca74891a48cce359bf9482e0101bc3eccdf901a6121dbe525cfd03","isrc":"CAA502044810","name":"Chasseurs de tournades","registered_at":"2026-06-21T19:01:39Z","spotify_id":"6itKwZsu9wA2TWqsmS8QSY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe80bfb3853ca74891a48cce359bf9482e0101bc3eccdf901a6121dbe525cfd03. 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/6itKwZsu9wA2TWqsmS8QSY.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/6itKwZsu9wA2TWqsmS8QSY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3919feb9e30323ea00630fdf153c306233b0f84c7c9a03b90bd6550d39c6d38. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/316sSyTJKIb2kk4eAJjBMx.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/316sSyTJKIb2kk4eAJjBMx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb72446e98fd77ebc470f6fe43d638323235a5c5bb60305f42a9777c1a95ceb. 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/33bMQErvWevcA7zMxXE0wS.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/33bMQErvWevcA7zMxXE0wS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eda90db375f26e1fb4058e6f319200056c31a62f522b43b358cfb5c6225592a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/59TJbm04rprGfGZRSzKrse.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/59TJbm04rprGfGZRSzKrse.
{"copyright_id":"0xafcdceeaeb1bed05b2089513e14874faa7bc44a637162b928fc5ccbc696869d4","isrc":"CAA502349608","name":"blood pareil","registered_at":"2026-06-07T10:19:03Z","spotify_id":"3hoN17LR9d4dGNChOggCWU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafcdceeaeb1bed05b2089513e14874faa7bc44a637162b928fc5ccbc696869d4. 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/3hoN17LR9d4dGNChOggCWU.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/3hoN17LR9d4dGNChOggCWU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf759acec4b716d3d8c322958c6eea1217939aa57947e584a6a9fa1e91c858bea. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7aEmAwZueENLzfJTFsED75.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/7aEmAwZueENLzfJTFsED75.
{"copyright_id":"0x37328cd102b08462fbce72566ad1d3d91222cf6f847ab804daef00da566ff6da","isrc":"CAA502044801","name":"Ville fantombe","registered_at":"2026-06-09T11:57:05Z","spotify_id":"5dG4rjENhsD7rs3lcxtjrO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37328cd102b08462fbce72566ad1d3d91222cf6f847ab804daef00da566ff6da. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5dG4rjENhsD7rs3lcxtjrO.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/5dG4rjENhsD7rs3lcxtjrO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356f240477a3e35ff73b8d68c87220380bd42f7d9746033618b7551387838c7b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4HakioBXaOeEvvgBvzZtBu.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/4HakioBXaOeEvvgBvzZtBu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34b63f6203c8e999beb280a3666b720c3177e36da28dfa55d7ac3da3933fcd22. 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/6Are8wJXglZ9q9QX00xoLV.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/6Are8wJXglZ9q9QX00xoLV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b241c78d4a143a1666e057a75626a756b24265cca52e28dfd25cfcd0c95888d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1zR0NCJCURPVQVGP40FFwO.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/1zR0NCJCURPVQVGP40FFwO.
{"copyright_id":"0xe33613e66e749cb6cb57f931dc1489b5d6ba5762105ca532f2d78baa2cef2fd2","isrc":"CAH682200051","name":"Chanson pour les tristes personnes","registered_at":"2026-06-09T21:28:12Z","spotify_id":"0wQBxbWpaD9wKygbaOyXbz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33613e66e749cb6cb57f931dc1489b5d6ba5762105ca532f2d78baa2cef2fd2. 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/0wQBxbWpaD9wKygbaOyXbz.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/0wQBxbWpaD9wKygbaOyXbz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24451772a167bf93bf41fee2586b9b9e9a6c7c686c3e271fdad703d35855dc1d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6o1yBqXJcgmKQRmCCqevtK.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/6o1yBqXJcgmKQRmCCqevtK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f28bd99cb69ee082ea00ced0334ff510d4637cdd4ccfeda694ac06183e9ce1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0BIFlXN1EGuaCtE7kmJgiZ.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/0BIFlXN1EGuaCtE7kmJgiZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6cccfc8a633d7587b599138f02a300675762f5174aa10cb5f0cf2854ff432e5. 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/2cYgqxXJa1K5kCelrJYSNW.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/2cYgqxXJa1K5kCelrJYSNW.
{"copyright_id":"0x2ac989bca781cdc348821814cd8ba6e38b0f6a6e8fa247b6ce1dc8cea9df5058","isrc":"CAH682100124","name":"Grandes Idées","registered_at":"2026-06-19T19:28:56Z","spotify_id":"4HDBjbKflGUpLPN3cWeBsI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ac989bca781cdc348821814cd8ba6e38b0f6a6e8fa247b6ce1dc8cea9df5058. 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/4HDBjbKflGUpLPN3cWeBsI.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/4HDBjbKflGUpLPN3cWeBsI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c5ea572cf77f293c11478d380e20ee16506be1d459b4232520324917a51b7b3. 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/0Ytu2GKTYlI2Gu32AYK1P4.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/0Ytu2GKTYlI2Gu32AYK1P4.
{"copyright_id":"0xe70fc6d21efb554a1abdae7b14a56daa5b2e48142702ad78a6d006bf37af01bb","isrc":"CAA502453101","name":"Incendie au paradis","registered_at":"2026-06-07T05:01:01Z","spotify_id":"2Sf6f7PBVkZofydoYveDO5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe70fc6d21efb554a1abdae7b14a56daa5b2e48142702ad78a6d006bf37af01bb. 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/2Sf6f7PBVkZofydoYveDO5.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/2Sf6f7PBVkZofydoYveDO5.
{"copyright_id":"0x0716238b85d9652c0dc056b2e338d02438d3f20b5ef653bbdc7ec4e0d1001db1","isrc":"CAA502453104","name":"Level up à l'intérieur","registered_at":"2026-06-09T04:02:05Z","spotify_id":"2T01lymVlOZyKIyrby1NKs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0716238b85d9652c0dc056b2e338d02438d3f20b5ef653bbdc7ec4e0d1001db1. 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/2T01lymVlOZyKIyrby1NKs.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/2T01lymVlOZyKIyrby1NKs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf37b9271a10d27e097f6f648fa819b07114f04c091624e7f6f618ea03cf542dd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YmXq0YHfjKZ4y3cCMKnwg.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/0YmXq0YHfjKZ4y3cCMKnwg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e209d576e1e29a7094a260dcfda14a7a9be6132fb0f50834e621c038ccaaa19. 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/6YLJagQu31k9onu0MM86h4.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/6YLJagQu31k9onu0MM86h4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x439b2db42d172381ac5075cc709d9f0ff1e7cc093cdeb063d2b408f87429ade7. 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/7wr8HgiHeuz0nLOa6XU8nD.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/7wr8HgiHeuz0nLOa6XU8nD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c7b089daa43625d3e1951cc711dad9851f014bd5a5128b6158eb291003d99c. 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/3axVR99AqHnZu3KvcJpT6o.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/3axVR99AqHnZu3KvcJpT6o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f669fc45300c4fe934895dcb4c0656c2f8d32646a7ce573c745c67ab43fdc11. 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/78trpg424DnsPg2pRLrkfQ.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/78trpg424DnsPg2pRLrkfQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9b0242e08b947e1bebc28869454146d0867cf63b87586d81b4962b19ab86e6. 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/7eiv5Dh2W6Jal5ouX1spbA.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/7eiv5Dh2W6Jal5ouX1spbA.