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 0x9687ecf742899fa94db1aa46a1ce66f688c7612d178d47a9510ed2d1f4968094. 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/1b314160-bf58-4a17-bd5c-cdbd2c82db2c.json and https://artists.proofprofile.net/proofs/artist/1b314160-bf58-4a17-bd5c-cdbd2c82db2c.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 0xdedf884c23ea8999fbd2d1462d980f80574fcd8544a34957f5e27d6b97d24a08. 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/4BxjbpktDfYXu47W2Q9GMJ.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/4BxjbpktDfYXu47W2Q9GMJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a2747f44273d51ecbe3bbc7030154903c790e1edc581c1194991246b44c57f. 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/3NVesfMLma4h2yYIQJZoRu.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/3NVesfMLma4h2yYIQJZoRu.
{"copyright_id":"0x07648ccc93717b3e4a1632b827b2d67ee2c26d07eb6d21e0d2b3ef8c8b547622","isrc":"GB2LD2110011","name":"The Revolution - Arc North Remix","registered_at":"2026-06-05T11:12:47Z","spotify_id":"5KsiZ5EwUWSxhMF2iPdKS5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07648ccc93717b3e4a1632b827b2d67ee2c26d07eb6d21e0d2b3ef8c8b547622. 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/5KsiZ5EwUWSxhMF2iPdKS5.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/5KsiZ5EwUWSxhMF2iPdKS5.
{"copyright_id":"0x20c5bada3d0423ffcf54ac4b46b0bdd520f792e968dd30ec2ca089ffdea2cb77","isrc":"CA5KR2266745","name":"Broken Roads","registered_at":"2026-06-07T12:30:49Z","spotify_id":"6fdaJCEgvQD63WgHALaLrw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c5bada3d0423ffcf54ac4b46b0bdd520f792e968dd30ec2ca089ffdea2cb77. 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/6fdaJCEgvQD63WgHALaLrw.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/6fdaJCEgvQD63WgHALaLrw.
{"copyright_id":"0x0dc00b838043605bb4f20e0b1248f7ea5fe5fa68e77236c286b7f41a6d2327a4","isrc":"NL4NL2010517","name":"Loved With Your Love","registered_at":"2026-06-06T02:38:55Z","spotify_id":"51BveseRGAAmTizXPFsHBV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc00b838043605bb4f20e0b1248f7ea5fe5fa68e77236c286b7f41a6d2327a4. 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/51BveseRGAAmTizXPFsHBV.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/51BveseRGAAmTizXPFsHBV.
{"copyright_id":"0x9670dac4d57f3ea32b0d5b232ea70ee57c2d117454a4a6f75596d8cddcad3865","isrc":"NL1AP2075689","name":"End of Time - Floatinurboat Remix","registered_at":"2026-06-20T03:04:09Z","spotify_id":"2fRxRsH4L4M4CJ6Ca43ib2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9670dac4d57f3ea32b0d5b232ea70ee57c2d117454a4a6f75596d8cddcad3865. 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/2fRxRsH4L4M4CJ6Ca43ib2.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/2fRxRsH4L4M4CJ6Ca43ib2.
{"copyright_id":"0x2591f56f228ce4f8f6cf6e17c02c3a4cc05582b9d35a3916bb935975f32d389e","isrc":"USDM31790802","name":"Right Here - Arc North & Synchron Remix","registered_at":"2026-06-21T20:07:33Z","spotify_id":"2EX7U8ijKrAn5il9OmNdpn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2591f56f228ce4f8f6cf6e17c02c3a4cc05582b9d35a3916bb935975f32d389e. 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/2EX7U8ijKrAn5il9OmNdpn.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/2EX7U8ijKrAn5il9OmNdpn.
{"copyright_id":"0xf88221587fdcc5b79f96c5ca8be5ad5e804af31478611baf743d3c675fca826b","isrc":"QMFME2162465","name":"Save the World","registered_at":"2026-06-08T01:47:20Z","spotify_id":"5mRqYeLbJPQpqHGOQGgkca","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88221587fdcc5b79f96c5ca8be5ad5e804af31478611baf743d3c675fca826b. 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/5mRqYeLbJPQpqHGOQGgkca.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/5mRqYeLbJPQpqHGOQGgkca.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2472133df9a799b785c54d2f4d2122b248ed1907b44c68ade310ea37e33000. 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/73NDAt3S9hmHFaTJHA71vJ.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/73NDAt3S9hmHFaTJHA71vJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a1c1449614d5573da4e4dae35cf875990f36357236ee7656e4bd1c035feb96. 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/3nEfGaO6Dnh98pX39yjGFE.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/3nEfGaO6Dnh98pX39yjGFE.
{"copyright_id":"0x5fceececc9c08ec68037b699256cc54dd9eeaa50cba3afe63494f1786a919553","isrc":"NLS6R1855889","name":"End of Time","registered_at":"2026-06-06T09:04:11Z","spotify_id":"1XRqm39Pc29iTXedyqE2jY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fceececc9c08ec68037b699256cc54dd9eeaa50cba3afe63494f1786a919553. 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/1XRqm39Pc29iTXedyqE2jY.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/1XRqm39Pc29iTXedyqE2jY.
Where You Are (Sávežan) - Acoustic Version
Where You Are (Sávežan) [Acoustic Version]
{"copyright_id":"0x6ba03aaa7ea5e3d3e01ba179220ed3ad37f5532b63c4c754bdc870ed3a66a6b5","isrc":"QM4TX2372722","name":"Where You Are (Sávežan) - Acoustic Version","registered_at":"2026-06-08T01:47:00Z","spotify_id":"4Wdc90zW93mDj8N2r2CXzY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba03aaa7ea5e3d3e01ba179220ed3ad37f5532b63c4c754bdc870ed3a66a6b5. 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/4Wdc90zW93mDj8N2r2CXzY.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/4Wdc90zW93mDj8N2r2CXzY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d27724332974fd9b0d055a29a4f1346c8458d0392177cfa1a53fc5fa5437268. 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/55bIL3KHXOGN6UTsUp4oFU.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/55bIL3KHXOGN6UTsUp4oFU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d27724332974fd9b0d055a29a4f1346c8458d0392177cfa1a53fc5fa5437268. 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/4zPqv04ddAFwk2Pgz3jC9U.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/4zPqv04ddAFwk2Pgz3jC9U.
{"copyright_id":"0xdeebe25894ace2a8c4d344dc4c5cbaa96f0b4c3fa15b4061536389d7360bcf0a","isrc":"GBKPL2036592","name":"Black X White - Arc North Remix","registered_at":"2026-06-10T02:16:54Z","spotify_id":"5YqqgnQJADZfCDv93Qtm7i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeebe25894ace2a8c4d344dc4c5cbaa96f0b4c3fa15b4061536389d7360bcf0a. 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/5YqqgnQJADZfCDv93Qtm7i.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/5YqqgnQJADZfCDv93Qtm7i.
New World (feat. Micah Martin) - Arc North Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44816e88a129f1da67dde382c6a6b2f110e39779783b9c60e82eb6228dc3e2c. 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/769DTIUbKyQsNxuyBo7fUt.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/769DTIUbKyQsNxuyBo7fUt.
{"copyright_id":"0xa66f3dafebd02229347038879a486456d5b55962deb6da36b38c055d6a2e03ce","isrc":"QZS642237615","name":"Youngblood (slowed + reverb)","registered_at":"2026-06-17T21:00:00Z","spotify_id":"4SCumzlPDyigUgxDi82j0V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66f3dafebd02229347038879a486456d5b55962deb6da36b38c055d6a2e03ce. 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/4SCumzlPDyigUgxDi82j0V.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/4SCumzlPDyigUgxDi82j0V.