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 0x7868fdf74959df3d217b2c06c17fb4e584f6cfb081ea29745cd4f0967d03d368. 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/b211b360-2309-48bc-ad10-058bd423ddb8.json and https://artists.proofprofile.net/proofs/artist/b211b360-2309-48bc-ad10-058bd423ddb8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Your Heart Was No Place for a Monster Like Me
The Last Thing We'll Ever Do (feat. the Icarus Account)
Song of the Sparrow (The Ready Set Remix)
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 0x314282115d21730f596c35f27517946a47ae50e91f4f8063e5837f6c0f3dd436. 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/32MbCkG51E4odqvAxuxSuI.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/32MbCkG51E4odqvAxuxSuI.
Song Of The Sparrow - The Ready Set Remix
Song of the Sparrow - The Ready Set Remix
There Are No Flowers In Heaven (Foreword)
{"copyright_id":"0x776b15ba82d2b33d9a8f008d1f37eed9ebf7e303b3900c3fdf3fa4e407ec464c","isrc":"USEP41634003","name":"I Didn't Know","registered_at":"2026-06-29T16:52:10Z","spotify_id":"3VFzSYbuIKY30hLmWacn2l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x776b15ba82d2b33d9a8f008d1f37eed9ebf7e303b3900c3fdf3fa4e407ec464c. 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/3VFzSYbuIKY30hLmWacn2l.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/3VFzSYbuIKY30hLmWacn2l.
Have Yourself a Merry Little Christmas (from "Cup of Cheer")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bc5d0264d565d14165c277359cf032b6f49b5181cb901b85c22ceae5f582239. 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/2WDLgaO7yOy6MIMAZs6X3A.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/2WDLgaO7yOy6MIMAZs6X3A.
Cup of Cheer (Original Movie Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14853803e5d40de1cf0252d23bff155009559ebe2d2d601b60f4dfd1a41b077a. 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/44gnnTPX5fNRCY99mV0kCb.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/44gnnTPX5fNRCY99mV0kCb.
{"copyright_id":"0x22b3d27bbf0dea8861cecbfb7eba8cce60704dce701bfcefcc6a350990d38f0c","isrc":"CA5KR2284877","name":"On My Own","registered_at":"2026-06-05T09:49:36Z","spotify_id":"1w9kY9herR82JRPd4AOnkd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b3d27bbf0dea8861cecbfb7eba8cce60704dce701bfcefcc6a350990d38f0c. 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/1w9kY9herR82JRPd4AOnkd.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/1w9kY9herR82JRPd4AOnkd.
{"copyright_id":"0x22b3d27bbf0dea8861cecbfb7eba8cce60704dce701bfcefcc6a350990d38f0c","isrc":"CA5KR2284877","name":"On My Own","registered_at":"2026-06-05T09:49:36Z","spotify_id":"7JiWFKym2XX7vgQDt0uUmB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b3d27bbf0dea8861cecbfb7eba8cce60704dce701bfcefcc6a350990d38f0c. 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/7JiWFKym2XX7vgQDt0uUmB.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/7JiWFKym2XX7vgQDt0uUmB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0646255ccc15ee7406f6766f8e6473e4f50464f7faf4b203cc7976814bfed3a. 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/093QE3w0St1rytpC6Rf7Ie.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/093QE3w0St1rytpC6Rf7Ie.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8de54e14c936ddbd81f941639b6ee604cf863cdbc302113369c6739d6b40518. 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/0d0xsClNJNP3W7HmyhuWKi.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/0d0xsClNJNP3W7HmyhuWKi.
{"copyright_id":"0x2bfcc0aa5551272df0e8551fbaac562d238ba914e57a777bf2dd3a003fcdf6e4","isrc":"QM4TW2120892","name":"I Can Tell","registered_at":"2026-06-24T07:08:48Z","spotify_id":"1jI9aQuc7HP23HWmjdMlWu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfcc0aa5551272df0e8551fbaac562d238ba914e57a777bf2dd3a003fcdf6e4. 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/1jI9aQuc7HP23HWmjdMlWu.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/1jI9aQuc7HP23HWmjdMlWu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08866053eccc112b3990b2c77f48a18b3f56e6bb093e7bf8e936217f0c25642a. 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/7nI0biSgflds9NTRAc2QYA.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/7nI0biSgflds9NTRAc2QYA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50342456c02ab4ea6b009e018dbb43f8c13ef227476957b60ade99d5e6f28e0. 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/02ltIkRP4Ap6CTrFEXBhJv.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/02ltIkRP4Ap6CTrFEXBhJv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd99f8df59f09ff7e70f50bfbafbb10daa0b7ccf56a0e301e2b5dc00b68f3ca10. 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/0iXzvMJRWAFArprXO7t831.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/0iXzvMJRWAFArprXO7t831.