1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xca791beaaa2bef891c872c4dabd721205eceec2360335bede335a230cbee865e. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/299f88b8-1087-4893-861d-4c09c45edae6.json and https://artists.proofprofile.net/proofs/artist/299f88b8-1087-4893-861d-4c09c45edae6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Gospel According To Artwork Sounds Chapter III
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe206c6ee61df0d2a661a8498c52c03887eb008ca8cc05c58aaa016b589ada17f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70323ff9c624f4ff2ce2df7df5130d673f997fb8146beffa858fca99c48ae917. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81142126696ee07f92f537e9c874f33abf073859f82e35244448f680ab2a5682. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc857fa74f2ed082b74f085039e18c46d30ab411460710f2ba21ba81cf3afe1a7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb1233db46b4e9e9fb4218c03cc11fdf5506247deaada99788e930bdbe0c20a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba25798ac93551d4f41f427b4c2eb682018fe2668887eb14807cb92ba9bd594f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbd6516aaeec7fb10420eb235ecddd546fc9e138886de9c99504c10b1e3133a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2cf06d380395db47cac6cf3dffd460365efd64370c4ca9685d56ae7b826b498. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58a7fd97d1a57ccb2e4e0428b8bf86f878701d4467ba19c24b9d76cdf045af03. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd74eb6989893f8b96d4a731b70711aecf28b8574cad918a3ade9b03ab989857e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415961.
Gamelihle (feat. Sponge 101 & Knowley D)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a46022f71ef4578fa8218ea2a0e115ebd1080071a6b8240e2749d4e15cdeb07. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x176b306654e0c406e7c86f3186a3e2422339a3e08a17ded21a0aaf114391c125. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2415963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d04130924fbae641b31ba25069bc25ba311b8057e9734e75a472845acac11a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZAX012400020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdb3f7203aaf44c77e091023e09c196c5b564c9a6ad8b28704c7adfb6a17a706. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2201592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea37f81a9dd8882211b51e2e8f290ede58dc1cb828580cd18116252a0cee4067. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2201595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c1a449e39537ce7a209b1de521523e3d6fcce300b8dad2f31d1d376301a7df5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZA56E2201599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66f318881f0cb7970a65ab9b0f29cbc76b93bbc8dfb9364ed4512effb59ac41. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZAC012201266.