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 0x01b8512d712835d033bbf53efc219143dfa4126295810ba93111972fc1e1dd1e. 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/a447d91d-eea9-4297-bd02-06d650c921c6.json and https://artists.proofprofile.net/proofs/artist/a447d91d-eea9-4297-bd02-06d650c921c6.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 0x0d718029a00e338ea2b27eb2d7f00259f39916dbd56cccb6ff4c4a1682650092. 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/3IhYERNbLAIRKSLCAaqXjP.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/3IhYERNbLAIRKSLCAaqXjP.
Arde (feat. Puerto Candelaria and Sabina Scuba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc5964b99c460b98f28bdf4975fa483ec161f0133b0378a79ad6c341382a1bf. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2O7vHe8oWsr2E5DPTUDc8c.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/2O7vHe8oWsr2E5DPTUDc8c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc5964b99c460b98f28bdf4975fa483ec161f0133b0378a79ad6c341382a1bf. 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/1Cn4HJ9iUKwMDR9mY2MQl2.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/1Cn4HJ9iUKwMDR9mY2MQl2.
Captain Planet Presents: Through the Wire (Remixes 2012-2015)
{"copyright_id":"0x2b6a2ce05de6010585fbca47d0933c086974a6ff6576b30a23821d785015ebb2","isrc":"USGC61500482","name":"Viene De Mi - Captain Planet Remix","registered_at":"2026-06-25T16:06:38Z","spotify_id":"4Ex8KL4X0TIGrdMw6XBDgU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6a2ce05de6010585fbca47d0933c086974a6ff6576b30a23821d785015ebb2. 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/4Ex8KL4X0TIGrdMw6XBDgU.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/4Ex8KL4X0TIGrdMw6XBDgU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97c86a70cbd103b1a2d1671eb704b43f4323d33f0ce2f530e8203cf71da97588. 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/1q4zdOoCoFX9fdIMdcCYhK.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/1q4zdOoCoFX9fdIMdcCYhK.
{"copyright_id":"0x5fbc5c22abd83fe9bf3777c8b193ccdebe8b8343ebddc4c91826598e94bfe1d6","isrc":"PT4HQ1600003","name":"Guerreros (feat. La Yegros)","registered_at":"2026-06-24T19:04:42Z","spotify_id":"1O1JSUiF0KybvOnSRi076F","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbc5c22abd83fe9bf3777c8b193ccdebe8b8343ebddc4c91826598e94bfe1d6. 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/1O1JSUiF0KybvOnSRi076F.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/1O1JSUiF0KybvOnSRi076F.
{"copyright_id":"0x00fa4c708ca9e06e49cbc09e274c24ca4b0f5914be9639d0812177ec4ab9d2cd","isrc":"FR99S1300009","name":"Es el silbo gomero","registered_at":"2026-06-07T20:35:59Z","spotify_id":"7u9XL6cdMtiSdCUQNJ4WBe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00fa4c708ca9e06e49cbc09e274c24ca4b0f5914be9639d0812177ec4ab9d2cd. 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/7u9XL6cdMtiSdCUQNJ4WBe.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/7u9XL6cdMtiSdCUQNJ4WBe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e1070aef9526de0b7270b15540ae08009c55a6e040e580577cd400b4a8aa045. 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/3a2fDnXguGxEj0hCqOB5f4.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/3a2fDnXguGxEj0hCqOB5f4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9cf1ae9eb0522bba1d924a14da317795cc4649a3c0a041ab4cab3328675d55f. 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/0OZbNfTxirEADEIPNIItH0.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/0OZbNfTxirEADEIPNIItH0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb807825cd2145ea44402be8e7f196f11d48042d10c9c712ac6d7ac006134e129. 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/1rOlbmej56bgWCLhJmEBtv.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/1rOlbmej56bgWCLhJmEBtv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f4449e374561d518e94bf12e23c5a32935f578e027daa3c8cec9e86e6136f79. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0VQC5J7MB65W0HtSTC80w7.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/0VQC5J7MB65W0HtSTC80w7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e47bab45ed5a03f058e8a8ed11628fc181438407e145095c64d92ef853b23bb. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1diIFb6Xq6mWOjHqDkdDFs.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/1diIFb6Xq6mWOjHqDkdDFs.
Crate Diggers Around the World, Vol. 2 (Have a Trip Through Afro House, Turkish Folk, Electro Chaâbi & Many More)