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 0xeb3e10cc05f34ade2e472ff8da2c6cebfcfe153ef317c30d7e6c072e3c226a29. 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/69da5069-d46d-4e77-a50c-c4d3305a4678.json and https://artists.proofprofile.net/proofs/artist/69da5069-d46d-4e77-a50c-c4d3305a4678.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 0xd227fcbb93dca32e62115f1dec595a65b395bdc9a46c625d4987fbcda8b00701. 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/3H3K5ADK6F5Y1EK6hn63Dn.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/3H3K5ADK6F5Y1EK6hn63Dn.
I'll Still Call (Wowflower Remix - Instrumental)
{"copyright_id":"0x4acbabcb11511dedb992a036ae0ff7fe5b6c8eaa5d31e08e859e2e550596b7c1","isrc":"QM24S2400788","name":"Everyone Around","registered_at":"2026-06-29T18:48:19Z","spotify_id":"1wu7NozNo8bwNVAF03zUIJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4acbabcb11511dedb992a036ae0ff7fe5b6c8eaa5d31e08e859e2e550596b7c1. 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/1wu7NozNo8bwNVAF03zUIJ.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/1wu7NozNo8bwNVAF03zUIJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0547c26cd59c9e4cc3f3c19ca2a73204a84b8d3476c469be2695ffeeabd50f0. 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/2c8nJoiK90XVtjtQDU0Opt.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/2c8nJoiK90XVtjtQDU0Opt.
{"copyright_id":"0xd0547c26cd59c9e4cc3f3c19ca2a73204a84b8d3476c469be2695ffeeabd50f0","isrc":"QM24S2300391","name":"Let Go (Rework)","registered_at":"2026-06-26T18:41:58Z","spotify_id":"2JcbJnEWLfC6OFT7RBKQcc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0547c26cd59c9e4cc3f3c19ca2a73204a84b8d3476c469be2695ffeeabd50f0. 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/2JcbJnEWLfC6OFT7RBKQcc.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/2JcbJnEWLfC6OFT7RBKQcc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebcaf4f13c4c54bb127933a33a9d2d8f09cf7ee019dc9163632e521bdb8b11e7. 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/3FIVS7eaDn4V1FFN6FXclf.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/3FIVS7eaDn4V1FFN6FXclf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0547c26cd59c9e4cc3f3c19ca2a73204a84b8d3476c469be2695ffeeabd50f0. 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/1keN5bnPhh2cO4D6mq4jZA.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/1keN5bnPhh2cO4D6mq4jZA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5609b041eed142724718f616535356393801d166cfc8265221919575313aa5. 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/3kbKmIOFfdGnWeeOFNFHeU.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/3kbKmIOFfdGnWeeOFNFHeU.
riseatsunset (super orange rework) [Instrumental]
{"copyright_id":"0x632cc2461e09eb34a5d93da17f93024507b9f0b502715d2b15c3af95d414913a","isrc":"QM24S2300560","name":"riseatsunset (super orange rework) [Instrumental]","registered_at":"2026-06-23T08:07:38Z","spotify_id":"3pIARIwjTse7fuf7rysYnm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632cc2461e09eb34a5d93da17f93024507b9f0b502715d2b15c3af95d414913a. 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/3pIARIwjTse7fuf7rysYnm.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/3pIARIwjTse7fuf7rysYnm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17e26dcf7f4b34b1d880fe0661238fecfa4caea70707ee73b47c63a995f10b69. 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/0tPqUKQZE4tMHgCYsSqx7z.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/0tPqUKQZE4tMHgCYsSqx7z.