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 0xa31af04d63fb5dea16e67a028f3994ba2fbebb3c9bfc27f078f91ad77ffd4b16. 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/e7d8f987-5f94-4dd2-90b9-e791d3f0ff4b.json and https://artists.proofprofile.net/proofs/artist/e7d8f987-5f94-4dd2-90b9-e791d3f0ff4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Freddie Scott - Mr Heartache: The Best Of The Columbia Recordings Plus!
One Iddy Biddy Needle (And A Little Bit Of Thread)
クライ・トゥ・ミー：ザ・シャウト・レコーズ・イヤーズ1966-67
Miami Funk : Funk Gems from Henry Stone Records
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 0x68204b54569677b8bf4979000efba42668c55d5aae11fc570cf92cea40f1e16e. 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/74QycNP99TrHDeSHYw5tF5.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/74QycNP99TrHDeSHYw5tF5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58849985fa8a30ac56480095bc1e3e7243e03e327b3b2d08b0d19aef34d373a0. 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/3vZyw7jyBpwgIEExgEOGJd.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/3vZyw7jyBpwgIEExgEOGJd.
Music To Park By "20 Great Romantic Hits"
The Legendary Henry Stone Presents Weird World: Miami Funk, Vol. 2
{"copyright_id":"0x68204b54569677b8bf4979000efba42668c55d5aae11fc570cf92cea40f1e16e","isrc":"USA370527160","name":"Same Old Beat","registered_at":"2026-06-18T03:47:58Z","spotify_id":"0jfPavzuzKhGezZuzwgYUB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68204b54569677b8bf4979000efba42668c55d5aae11fc570cf92cea40f1e16e. 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/0jfPavzuzKhGezZuzwgYUB.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/0jfPavzuzKhGezZuzwgYUB.