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 0x7eeb1da15d399219e1c86426a8d9c0f24cc1f29640360235d2372410b249cca4. 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/1a55d8b4-dd16-48b2-b0a4-3c8f158fbf47.json and https://artists.proofprofile.net/proofs/artist/1a55d8b4-dd16-48b2-b0a4-3c8f158fbf47.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 0x6e7590e087beecc944718cfba948776e3e568ffb3e33dbc72609a77fb84e0e0b. 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/0MPvVoaYetERd9CEWz1bsK.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/0MPvVoaYetERd9CEWz1bsK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf68d5c5f3ea6e1cd7eecedd3f8f3f26cbc8bb01cfaaf433ea930ddddb50653. 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/0do6pozSqrMFbeJ1gzjX7S.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/0do6pozSqrMFbeJ1gzjX7S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e5cbf22dc33e383c19c1d0af4dbca8f0362091eb3cc4a8b25dd55acacae6494. 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/4pYThx737rNgnVNmfBAd5j.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/4pYThx737rNgnVNmfBAd5j.
{"copyright_id":"0x0a2d75c188a21d760c2e723946da2d247c8fddfabef508141e6949c354ea6e45","isrc":"TCAHL2342107","name":"Piruss 2024 (Eikelirussen)","registered_at":"2026-06-09T09:51:09Z","spotify_id":"2FcRL3lufEnVAwYoFIGy8o","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2d75c188a21d760c2e723946da2d247c8fddfabef508141e6949c354ea6e45. 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/2FcRL3lufEnVAwYoFIGy8o.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/2FcRL3lufEnVAwYoFIGy8o.
{"copyright_id":"0x4323c27ffdefee6271903ed4396d2b56b8c8969920cfd25cce73ab78a3c2ccc2","isrc":"NOBXE2201101","name":"Fratelli 2024","registered_at":"2026-06-25T10:44:45Z","spotify_id":"6jGSmHetXjUnzdEfRKYwzV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4323c27ffdefee6271903ed4396d2b56b8c8969920cfd25cce73ab78a3c2ccc2. 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/6jGSmHetXjUnzdEfRKYwzV.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/6jGSmHetXjUnzdEfRKYwzV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a492e908abcce25cf20266bb0817bfe8ea4ecc936667bb4cac17f9815ca8862. 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/5z204HUroYu7my2uY3YYvW.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/5z204HUroYu7my2uY3YYvW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49c9b72284c1d97a468beba03dca3351109c6e5dc8f8186b687b5d224c94919. 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/5CSe50qdeH02uNKvbMcrb3.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/5CSe50qdeH02uNKvbMcrb3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82aef6a921167b5943704faeedaca369c310cc454ca92cda48115814c0359524. 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/7mQvbqXdnctTg0w2TZdUmA.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/7mQvbqXdnctTg0w2TZdUmA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2bd4d93407bc04e670b6d6c71436a981b1817771bb1d57d452acfc8d8c96757. 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/1jXN7jVcVbW29phH5YalgP.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/1jXN7jVcVbW29phH5YalgP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44358aff0c2f5713168db4116059fd25c38f526f00dca7e3bb11b20c95251c9. 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/26oeDfB19KA43GkbHxQHpb.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/26oeDfB19KA43GkbHxQHpb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29fb58766666c3e8fdae82cf717accad746ec08eb473dd3815ce4d935d99867e. 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/3zJm5bHOjvjNdp9XuuO64e.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/3zJm5bHOjvjNdp9XuuO64e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c73403287adc37dbb61f61048126c9460689c37e5ec6175ed74618515189bd. 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/4Krndieyypw51VTvuWTttY.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/4Krndieyypw51VTvuWTttY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d087d7b01b973467af50b352480aae3ad0eb14ec42bc65332a7af2fc9946b48. 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/4MrnCIIP1JvHE4E5yYvj3V.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/4MrnCIIP1JvHE4E5yYvj3V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c923908598129c700f89316ba88ef165c4cd13ced999e628cf69ed5d6c09468. 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/5VmX5imAWWLY8742k9nnYE.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/5VmX5imAWWLY8742k9nnYE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff8b303623e2d96288a34e4528e27a07c8d4c5ce72ba4ebe85721e540b70003. 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/4wUx2X7xgegWHNkyqJrmSs.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/4wUx2X7xgegWHNkyqJrmSs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45392af7738ace242bb599d6c9dc99ec04a2570808ea961cbd4ce42201df4225. 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/3up9Wp5lQevBXiyfhnW1zn.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/3up9Wp5lQevBXiyfhnW1zn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39191ccd26a4401e52b2670b628c2bbaa4e6a984043d159906d1510dd70ac2fe. 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/4AaLwVDgdAZ3EAZMQKH7LE.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/4AaLwVDgdAZ3EAZMQKH7LE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4223b2414706c03679603eec7c89983d3b17b0c7a6eaef3e25e772696f2e5315. 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/0OFTrv01BcRqbSJx0GSl9t.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/0OFTrv01BcRqbSJx0GSl9t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38f1a286fdcd3b6ac512046fe2a874117ee499289aec29a09c71697d32b58f6. 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/6qGZEwr4hpuX7L9BUKUiTk.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/6qGZEwr4hpuX7L9BUKUiTk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d84df4c3ea4814034b1c8da6e730f7138e489484e0c2054d439800be7ed432. 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/5VojdMZkBvmg4n2kcSAiuJ.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/5VojdMZkBvmg4n2kcSAiuJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98680f9c6ce77fd68e4e6df49b265ed1f5aa6eb350a97952a8753e68bdf2c5c1. 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/6IXVU7q4tnKpxTwSqhMubG.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/6IXVU7q4tnKpxTwSqhMubG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0810409f2ad43399a84b5cf8746efa148dfd15dc1ee01947c777449b15b444aa. 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/0SzdS1mJWRRU6CS89SKDfP.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/0SzdS1mJWRRU6CS89SKDfP.
{"copyright_id":"0x270dfc599ac5abb62b253baea2f29ff75b1934839a141b2e65f433a16f51423f","isrc":"US38Y2427745","name":"FYR (feat. Solguden & Unge benz)","registered_at":"2026-06-22T06:43:52Z","spotify_id":"2573xUdtlHxjX7xwIK0wQw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270dfc599ac5abb62b253baea2f29ff75b1934839a141b2e65f433a16f51423f. 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/2573xUdtlHxjX7xwIK0wQw.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/2573xUdtlHxjX7xwIK0wQw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54eb0f8217a04a2c57768e36b3ec1646e3e9fe78f5a63a87565054a2b637a3a1. 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/1N2Lo3Ey3hsemMn2HbLBTx.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/1N2Lo3Ey3hsemMn2HbLBTx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ef763753b3b4c74ec0e51a5f503fa0016958e588fde5b44a5da6997ce72317. 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/2Tzm3C6alJRamZXB93r74P.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/2Tzm3C6alJRamZXB93r74P.
{"copyright_id":"0xdbea619894fb59aeb440e3bb0b2eb4f802879fe3d77c120190e19176a62606af","isrc":"US38Y2424858","name":"Big Blessed (Confidential)","registered_at":"2026-06-24T07:07:22Z","spotify_id":"6WL8EN59tsIFPEuNNmtlJy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbea619894fb59aeb440e3bb0b2eb4f802879fe3d77c120190e19176a62606af. 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/6WL8EN59tsIFPEuNNmtlJy.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/6WL8EN59tsIFPEuNNmtlJy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183ca5b60b08c691207517223b8db760ad9b3cb8e332e39ea1e68309afb6c531. 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/3mW034ZwvIkOp2B1z3BOXQ.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/3mW034ZwvIkOp2B1z3BOXQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0308622454e70fceefd402b5569c04d73c6c9ab450d4548021914f58c928dc6. 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/7jC4KDuauiolrByiKU6mID.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/7jC4KDuauiolrByiKU6mID.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75f523cc7df3cc15586c65cddae91cbed7128a92cc6ca74f89b6ac081e201962. 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/0sQ9olcnhtPcwRoLpy73ZV.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/0sQ9olcnhtPcwRoLpy73ZV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02dfbbf0c4b29603d60ce70ada887e9f231babc65a519acf81177f0d15b81f7f. 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/5G0C34HVqjr4zf9soRRFUf.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/5G0C34HVqjr4zf9soRRFUf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea657b5988eb60dcb5822813e7771d90badb473dcb9d70373af2bdb933e10ba0. 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/1FAyYsLy8uKFU2JyVR66qL.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/1FAyYsLy8uKFU2JyVR66qL.
Publicity Stunt 2024 (feat. Jaannybravo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2de77b2b52f1688c8248c4903d91ea93aec2aa993bc4a4ea2f292451204f57e2. 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/1ZY5EloQDH2euPd8WW9v6n.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/1ZY5EloQDH2euPd8WW9v6n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x584384a42dda2b824cdc8c6cfe73a821b79827a74de1341e4d40c5c1b6377c24. 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/6sQqdUuJxjLHzNsYljQQBJ.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/6sQqdUuJxjLHzNsYljQQBJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842cf5f3679352e3c2d293a2f9947f2368f134f9103a69b1d44259260c406f31. 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/4QooIm7E1w1iA8E0n3axYD.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/4QooIm7E1w1iA8E0n3axYD.
{"copyright_id":"0xda3e168b1d6fdefa6161e284d032f93ee867f83def35e8cbe413e8d9d0141f08","isrc":"TCAFY2197928","name":"Fullt Hus 2022","registered_at":"2026-06-22T06:49:23Z","spotify_id":"5gsLyfeIGywXejHSeRDtat","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda3e168b1d6fdefa6161e284d032f93ee867f83def35e8cbe413e8d9d0141f08. 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/5gsLyfeIGywXejHSeRDtat.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/5gsLyfeIGywXejHSeRDtat.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe112d8ccdb0955a265130a6869160bf65ba2fcde35388e2e32019029511c8de7. 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/63W1J9kATzxUMbINhRwn3D.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/63W1J9kATzxUMbINhRwn3D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x489c99dc442b0a8630c29b387b4de86683b85a0989dc65822f03bc16d956285e. 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/3mxpTaAfPTmFF9iTDbwiHl.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/3mxpTaAfPTmFF9iTDbwiHl.