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 0x6e85a550f0e9a7bd8f1e304e4987246f8ee0b45bb4aa22cafbccc431dcbe6508. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6cdba5e9-c210-4259-898f-e659400783ff.json and https://artists.proofprofile.net/proofs/artist/6cdba5e9-c210-4259-898f-e659400783ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1e77fa1473bfa42936be2c2de9e93686f032c6016a5a07578e5347fba219073d","isrc":"USMC19701159","name":"Dance The Night Away","registered_at":"2026-06-04T12:59:32Z","spotify_id":"3QEKiqzMkWBEZGoM8ZNuex","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 0x1e77fa1473bfa42936be2c2de9e93686f032c6016a5a07578e5347fba219073d. 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/3QEKiqzMkWBEZGoM8ZNuex.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/3QEKiqzMkWBEZGoM8ZNuex.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7327fb0150e744e776c06be9609f22a8d2b111feea41b63aec9b4a1daaba5239. 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/4Sr55w2If8a56Yl369ULi1.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/4Sr55w2If8a56Yl369ULi1.
Live Close By (Visit Often) [with Nicole Atkins]
{"copyright_id":"0x87266369c0a2c49e5ec7f6122d3d4006a1fc0d87b73fe8c916440c6c058862d0","isrc":"QZ4RG2400156","name":"Live Close By (Visit Often) [with Nicole Atkins]","registered_at":"2026-06-08T04:50:18Z","spotify_id":"2LlEk5jwz9BN4J6dpvZBFm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87266369c0a2c49e5ec7f6122d3d4006a1fc0d87b73fe8c916440c6c058862d0. 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/2LlEk5jwz9BN4J6dpvZBFm.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/2LlEk5jwz9BN4J6dpvZBFm.
{"copyright_id":"0x8b1fa1fb49da9e091e11d7e65d152377b09b09a2733f2c25b06a96f5673af741","isrc":"QZ4RG2400157","name":"Moon & Stars (with Sierra Ferrell)","registered_at":"2026-06-08T04:47:18Z","spotify_id":"3a0yOvho4wVAGg40oL4IEy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1fa1fb49da9e091e11d7e65d152377b09b09a2733f2c25b06a96f5673af741. 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/3a0yOvho4wVAGg40oL4IEy.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/3a0yOvho4wVAGg40oL4IEy.
{"copyright_id":"0x8737da77e3bc1a2e8b79467a332597a750127e1cab73dd0be5d0d6abcb3c05c8","isrc":"QZ4RG2400158","name":"Look Around You (with Maggie Rose)","registered_at":"2026-06-09T19:19:21Z","spotify_id":"6k7GSgnSyGhSVwhkogi6Pd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8737da77e3bc1a2e8b79467a332597a750127e1cab73dd0be5d0d6abcb3c05c8. 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/6k7GSgnSyGhSVwhkogi6Pd.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/6k7GSgnSyGhSVwhkogi6Pd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2587190a2f06639d22bb0f4c866fdf1b565e0fb44825d7f37502eb12165d7d. 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/6xrFdQH3bkd7GfVakC0U8w.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/6xrFdQH3bkd7GfVakC0U8w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6563b5ff5b97d365e43d649d60b390970034c3d34c41e2cccfdd6f4a3518feff. 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/1QcLIgeXC2TrWA2Q0T74y4.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/1QcLIgeXC2TrWA2Q0T74y4.
{"copyright_id":"0xe6ae6f517b915b3abd186a5d127984dfb9c6cd265f4a64a343afb0e4d216e3ba","isrc":"QZ4RG2400161","name":"Overnight Success","registered_at":"2026-06-08T04:45:54Z","spotify_id":"4zgwBP7RxLe3vf1rSm975T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ae6f517b915b3abd186a5d127984dfb9c6cd265f4a64a343afb0e4d216e3ba. 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/4zgwBP7RxLe3vf1rSm975T.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/4zgwBP7RxLe3vf1rSm975T.
{"copyright_id":"0x1d5a387aeff5a12da3a8198197401068801c3dbae3c2ce801eebf91fc6da62e9","isrc":"QZ4RG2400162","name":"Here You Come Again (with Max Abrams)","registered_at":"2026-06-08T15:08:34Z","spotify_id":"7ca6ovltosP8R2ePjRorBY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5a387aeff5a12da3a8198197401068801c3dbae3c2ce801eebf91fc6da62e9. 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/7ca6ovltosP8R2ePjRorBY.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/7ca6ovltosP8R2ePjRorBY.
{"copyright_id":"0x2bc913e12e2fd6769c955e892e55ef1330e3c979382cce34755c8f6a2971a152","isrc":"QZ4RG2400163","name":"A Guitar and a Bottle of Wine","registered_at":"2026-06-08T13:37:30Z","spotify_id":"6vUCuH9Nv2Np3kBq0KnkwB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc913e12e2fd6769c955e892e55ef1330e3c979382cce34755c8f6a2971a152. 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/6vUCuH9Nv2Np3kBq0KnkwB.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/6vUCuH9Nv2Np3kBq0KnkwB.
{"copyright_id":"0x0dd967a02df5ae5be71871bcbc97b1153f2ff41b6af0bef384caf57e65efb336","isrc":"QZ4RG2400164","name":"The Name of the Game","registered_at":"2026-06-07T21:17:56Z","spotify_id":"0duaUkUu7h3AR87wfWUdiu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd967a02df5ae5be71871bcbc97b1153f2ff41b6af0bef384caf57e65efb336. 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/0duaUkUu7h3AR87wfWUdiu.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/0duaUkUu7h3AR87wfWUdiu.
{"copyright_id":"0x7c276dd61171d9fdd5cd53d4b5e6d1bf48ffba32e201ed32d95228cb88511390","isrc":"QZ4RG2400165","name":"Turn Yourself Around","registered_at":"2026-06-18T19:11:27Z","spotify_id":"32vzY32dRJPODpEndtuiYO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c276dd61171d9fdd5cd53d4b5e6d1bf48ffba32e201ed32d95228cb88511390. 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/32vzY32dRJPODpEndtuiYO.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/32vzY32dRJPODpEndtuiYO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x891c3713b81a55449cf02af869b553ed4a92afef0a958a2362d1d6b34c79d737. 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/4e849cI1LFKVplx7bSncGU.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/4e849cI1LFKVplx7bSncGU.
{"copyright_id":"0xe515e2c05d44b33adc646e8ab976d19fcf2a1ecf9286064b4ad08466fba8a09a","isrc":"USMC19544493","name":"All You Ever Do Is Bring Me Down","registered_at":"2026-06-24T16:10:22Z","spotify_id":"455yKcbMyrRsFwZJ0QvzG3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe515e2c05d44b33adc646e8ab976d19fcf2a1ecf9286064b4ad08466fba8a09a. 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/455yKcbMyrRsFwZJ0QvzG3.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/455yKcbMyrRsFwZJ0QvzG3.
Soundtrack To Summer 2023 (Deluxe Edition)
{"copyright_id":"0x1d5a387aeff5a12da3a8198197401068801c3dbae3c2ce801eebf91fc6da62e9","isrc":"QZ4RG2400162","name":"Here You Come Again (with Max Abrams)","registered_at":"2026-06-08T15:08:34Z","spotify_id":"2YLLW5WnSLXgYbChmaP2kJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5a387aeff5a12da3a8198197401068801c3dbae3c2ce801eebf91fc6da62e9. 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/2YLLW5WnSLXgYbChmaP2kJ.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/2YLLW5WnSLXgYbChmaP2kJ.
Not Fade Away (Remembering Buddy Holly) [Reissue]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3853bbd6b852b97f9301bdf33d647c6df4ba553da342343391d10d7114f7041. 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/5AyK50a9QcA7DdQeJz7SCK.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/5AyK50a9QcA7DdQeJz7SCK.