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 0x44d22406b0a66af2886e0e403f318a8127cdd5987e5d4d948bbda3687237a406. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ce9815f-7a2e-4c49-aec7-cbe8d4d1c8c8.json and https://artists.proofprofile.net/proofs/artist/3ce9815f-7a2e-4c49-aec7-cbe8d4d1c8c8.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 0xa3cf28cffd9d3f8b9dde3ded4981678defc3b742c5ad2e89f65c418ca04b4cb8. 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/2lpq5ZJdiYangNZ6LZunWx.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/2lpq5ZJdiYangNZ6LZunWx.
Jo-Baby (Alternative Version) [with The Accents]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2JoAzUPMFbVJgGe6FJmcYF.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/2JoAzUPMFbVJgGe6FJmcYF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff76e77bfbcb6469ebadac727e2b764ba5519081251c0bb97456170079f5f2de. 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/6H2mcWxrXClTvBcNkn2WJp.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/6H2mcWxrXClTvBcNkn2WJp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. 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/44va5RABbOvEJ9cG5cd1jC.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/44va5RABbOvEJ9cG5cd1jC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. 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/3XmTwX4WPEiqCMwdcssT1g.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/3XmTwX4WPEiqCMwdcssT1g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/45BkSaxxiwoFGNfhLh2wh8.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/45BkSaxxiwoFGNfhLh2wh8.
Soft Rock Hits 100 Best Songs from the 70s 80s 90s
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. 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/5fa3GaCaKOfKxwXVSect82.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/5fa3GaCaKOfKxwXVSect82.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. 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/4UfQm0bfzYMmY0Ai65oqtF.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/4UfQm0bfzYMmY0Ai65oqtF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68352bd4110d6a7acf3acf9c0d319c614185708defc5a13158116b44b3113e8a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0aQykEBZBd5BqjlqrVNv78.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/0aQykEBZBd5BqjlqrVNv78.