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 0xd82af0b2dbd43fd3d8788002a1e0973ee792eaff6cc7a83a0b1645697cfe8c0d. 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/ff662060-e6d1-4b4f-8bc6-65252e164211.json and https://artists.proofprofile.net/proofs/artist/ff662060-e6d1-4b4f-8bc6-65252e164211.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 0xdb5b99d0764e3942a1a94866e37035a9e483392e75de0a8f8218ae41b614d2dc. 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/6NHDGnDESx60Eo4HPsOblH.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/6NHDGnDESx60Eo4HPsOblH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae74bd107948e504a8e86bd9c499a0e3492fe19936d4cae6a362d8a450f9d38f. 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/5W5WGVViug73lJ0uZFGmEW.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/5W5WGVViug73lJ0uZFGmEW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98a77fd26ca343dc2fa1a0642d12805a6cb78f9773383751ef173baf763aa21. 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/1NvPCBga9m2Qcb5WYl7LWQ.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/1NvPCBga9m2Qcb5WYl7LWQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1949ef08b46b2206bba4f254488af6a8d5d933104d5495b83f09d4d29cae9641. 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/7gCTyZMTM1rhtocM9olE1C.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/7gCTyZMTM1rhtocM9olE1C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf872a15c7d43e42b7753d81c90fc987139cf7401b6735c2b447be95d2a0aefa. 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/0ud3KJI4HsAwAUR1k3e48C.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/0ud3KJI4HsAwAUR1k3e48C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19013ea46c2a5e2a3e27f1755552e0994ff788b41384001e1ff134f05f360e0. 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/7d36bNLvKSap1dcI8Dubkk.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/7d36bNLvKSap1dcI8Dubkk.
{"copyright_id":"0x43047ca2f4bbd01a78784a17172cd273bec0727260ad132eb26f97ecc6df6a2d","isrc":"GBMCZ0601597","name":"Moon Song","registered_at":"2026-06-27T13:42:22Z","spotify_id":"7IxLeIFERTSrBOoXknFUue","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43047ca2f4bbd01a78784a17172cd273bec0727260ad132eb26f97ecc6df6a2d. 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/7IxLeIFERTSrBOoXknFUue.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/7IxLeIFERTSrBOoXknFUue.
{"copyright_id":"0xed96dcde11ce06251ccd024ea3e2cb9766e5c81ed41c454196d6d8bc9e66dde1","isrc":"GBMCZ0601598","name":"Every Hori Is a Star","registered_at":"2026-06-24T20:16:26Z","spotify_id":"1XbnFsC26RQvzoZlXAoRdd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed96dcde11ce06251ccd024ea3e2cb9766e5c81ed41c454196d6d8bc9e66dde1. 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/1XbnFsC26RQvzoZlXAoRdd.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/1XbnFsC26RQvzoZlXAoRdd.
{"copyright_id":"0xc8a0594aea3436f3cf5495dbff3b1106c5a84226f493e70e5db2acc3523ecfd9","isrc":"GBMCZ0601528","name":"Met at the River","registered_at":"2026-06-22T07:41:03Z","spotify_id":"6fKKzzrx5JEWs8x7CzZANf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8a0594aea3436f3cf5495dbff3b1106c5a84226f493e70e5db2acc3523ecfd9. 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/6fKKzzrx5JEWs8x7CzZANf.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/6fKKzzrx5JEWs8x7CzZANf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1949ef08b46b2206bba4f254488af6a8d5d933104d5495b83f09d4d29cae9641. 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/0Wb7BsCpK3GtFiW5Gm8Zdb.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/0Wb7BsCpK3GtFiW5Gm8Zdb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5b99d0764e3942a1a94866e37035a9e483392e75de0a8f8218ae41b614d2dc. 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/0mhqlh4GAyN9pLZdYE9jwj.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/0mhqlh4GAyN9pLZdYE9jwj.
{"copyright_id":"0xc8a0594aea3436f3cf5495dbff3b1106c5a84226f493e70e5db2acc3523ecfd9","isrc":"GBMCZ0601528","name":"Met at the River","registered_at":"2026-06-22T07:41:03Z","spotify_id":"2sxQ1OkdtF7GyH1SVpDcI4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8a0594aea3436f3cf5495dbff3b1106c5a84226f493e70e5db2acc3523ecfd9. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2sxQ1OkdtF7GyH1SVpDcI4.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/2sxQ1OkdtF7GyH1SVpDcI4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18dbe5f39f3587bdeb3a3f79987d84521065fe439fcf4d66f1feddf6abf7ee89. 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/5VxRB8VvEdpKwmhKsvUwPw.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/5VxRB8VvEdpKwmhKsvUwPw.
The Processional Remix - Leonard Charles Remix