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 0x345897435731a41942e7aa2958ba04a8ac5cd31086d365feff1e7827bd387176. 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/ebe4097d-5a8e-444a-820c-6be723c0b839.json and https://artists.proofprofile.net/proofs/artist/ebe4097d-5a8e-444a-820c-6be723c0b839.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Legend of Ochi (Original Soundtrack)
Through the Long and Lonely Night (The Legend of Ochi)
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 0xfd55c2e2c15783a46d105e5c7be3969b660482c42fb353e74ca638f5cdc6312d. 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/4tI6ybMMUITrn0lVOGiiMj.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/4tI6ybMMUITrn0lVOGiiMj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60bc764b41681feca521a0973ebfd6c474680ec6d635efc9a23a185610694a21. 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/0qZCH70WTgCTawe1UuuHUR.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/0qZCH70WTgCTawe1UuuHUR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f9d76f34ffa3c2e57b503911b72668b95b0de4d96ef4a953c5240f3a1917c1. 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/1JtpvCabhNNPdvY555bnF7.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/1JtpvCabhNNPdvY555bnF7.
{"copyright_id":"0x9eae8aaef07f05bbee79a11e2c143c06391ba7f85cffed0d44c4aa83fcbc643a","isrc":"USNO12400508","name":"Circled in Purple","registered_at":"2026-06-07T19:46:47Z","spotify_id":"38ehDInUwLafXpCYlCaPoG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eae8aaef07f05bbee79a11e2c143c06391ba7f85cffed0d44c4aa83fcbc643a. 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/38ehDInUwLafXpCYlCaPoG.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/38ehDInUwLafXpCYlCaPoG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c62d68c0f44586cff59e5f18b6b207e17624d89481890a69cfa9d71c5414161. 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/0Pxb6oY7eLGUAJ7XD8o179.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/0Pxb6oY7eLGUAJ7XD8o179.
{"copyright_id":"0x44f30754f6e8c8e3cf3d580ac80472f718ee9bac87de0ada58c7e62ebb679b09","isrc":"USNO12400510","name":"Walk the Edge","registered_at":"2026-06-09T03:52:55Z","spotify_id":"2oz9nDoJYdZjoG6RvmCvUb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44f30754f6e8c8e3cf3d580ac80472f718ee9bac87de0ada58c7e62ebb679b09. 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/2oz9nDoJYdZjoG6RvmCvUb.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/2oz9nDoJYdZjoG6RvmCvUb.
{"copyright_id":"0x4bef1a6535cb98f21979bd797feb2e698fefeb3d96955a34baf1f47d7ff3b358","isrc":"USNO12400511","name":"Opposable Thumb","registered_at":"2026-06-09T03:57:09Z","spotify_id":"0iRJ9m7vAoWe1tP1frgghN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bef1a6535cb98f21979bd797feb2e698fefeb3d96955a34baf1f47d7ff3b358. 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/0iRJ9m7vAoWe1tP1frgghN.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/0iRJ9m7vAoWe1tP1frgghN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6654d98606b7b181778045536784d5a13d4a7b056933e66b2d43fe0ec3574e. 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/59I5RP3GgvjWLvGEvMqBJ8.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/59I5RP3GgvjWLvGEvMqBJ8.
{"copyright_id":"0xf62546946b6b4d7236bd4c74bde7430a52c943aee1ef93f8bea4be498e8bf1b3","isrc":"USNO12400513","name":"Spiderweb at Water's Edge","registered_at":"2026-06-09T03:49:55Z","spotify_id":"0gYMRNOb2oyH6FeAMsqSEJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf62546946b6b4d7236bd4c74bde7430a52c943aee1ef93f8bea4be498e8bf1b3. 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/0gYMRNOb2oyH6FeAMsqSEJ.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/0gYMRNOb2oyH6FeAMsqSEJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b8f9c94d46aad460e5c2d005902db50d6d107ea13dff7c0d16df5c371c4942. 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/7diMOo2ahl2uelagL6Nd88.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/7diMOo2ahl2uelagL6Nd88.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad0fe1f6fd956850db5ee22d610e1ec7d26496f40809420c9669c5e90b06563. 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/2yu9otZMo5jSoDQeJj0NXe.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/2yu9otZMo5jSoDQeJj0NXe.
{"copyright_id":"0x6e97ad8dcbc154bb979dafbfb162990b279583954c071545a9505aa24427e27b","isrc":"USNO12400516","name":"Dancing on our Eyelids","registered_at":"2026-06-10T00:35:52Z","spotify_id":"3PacrM7AWCemIHHaNyNP3i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e97ad8dcbc154bb979dafbfb162990b279583954c071545a9505aa24427e27b. 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/3PacrM7AWCemIHHaNyNP3i.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/3PacrM7AWCemIHHaNyNP3i.
{"copyright_id":"0x34b00924a8ffb223db37f502a6cd1be18deaec189525cd5c0613eb462c5c69a2","isrc":"USNO12400517","name":"Same River Twice","registered_at":"2026-06-10T13:49:20Z","spotify_id":"7wF1SkqH54upv1LvIIprVs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34b00924a8ffb223db37f502a6cd1be18deaec189525cd5c0613eb462c5c69a2. 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/7wF1SkqH54upv1LvIIprVs.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/7wF1SkqH54upv1LvIIprVs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6bfb5627c454fba4673bbc757a7142cad2c336af49738c205474bf396049e6. 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/6X89BnKIj2jfqhQmXnBNMC.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/6X89BnKIj2jfqhQmXnBNMC.
{"copyright_id":"0x02cf5e23f663d79960277c29b0fcbea8a821a0d5a803920c3505c7341f9d90ff","isrc":"USNO12400520","name":"Uninhabitable Earth, Paragraph One","registered_at":"2026-06-09T17:19:08Z","spotify_id":"4PkckD5BmSPeVMEHoGLCyr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02cf5e23f663d79960277c29b0fcbea8a821a0d5a803920c3505c7341f9d90ff. 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/4PkckD5BmSPeVMEHoGLCyr.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/4PkckD5BmSPeVMEHoGLCyr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a54e78f04e24570943eb652bfd76f57586fc6537a87daa4f47461e1abc55617. 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/2J9YAQ0SQlE8mn2R00Lp1o.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/2J9YAQ0SQlE8mn2R00Lp1o.