thumb|right|223x223px|PSR B1509−58 – X-rays from Chandra are gold; infrared from WISE in red, green and blue/max. thumb|right|Animation of a rotating pulsar. The sphere in the middle represents the ne
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa6659f03203387857b608a37144063b1c5b1ec3e2e539851465cf35361e7597. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7d707eb-11ad-4c15-8258-189afc5fe8fc.json and https://artists.proofprofile.net/proofs/artist/a7d707eb-11ad-4c15-8258-189afc5fe8fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wild Energy 2019 (Mixed by Alex K & Hard Dance Alliance)
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e57ca2e73933e252c154525b20bb85a6561963265ca6ca3a8f1f1cad083750. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/AUCN31900306.
Hold Me Tonight (Toneshifterz, Suae & Pulsar Mix) [Mixed]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37dd6a421cacb01504a3c11223b6dcac87d40085ac5976a61f1056021b1a681. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEHK91893001.
Man on the Run (2019 VIP Remix) [feat. Amba Shepherd] [Mixed]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8752c9c2c79c3d1fce769d78e891169c0e0b9fd19b276369dcf75c8032040c61. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/AUCN31900330.