thumb|d'Indy, c. 1895 Paul Marie Théodore Vincent d'Indy (; 27 March 18512 December 1931) was a French composer and teacher. His influence as a teacher, in particular, was considerable. He was a co-fo
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 0x3bd2ebb3c6fc41add679d9ed5a8a4e928c4e8420c67c770f20a416a42375258a. 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/2afebdbf-af0a-4a9e-b8a1-ff3e89540b41.json and https://artists.proofprofile.net/proofs/artist/2afebdbf-af0a-4a9e-b8a1-ff3e89540b41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Indy, V. D': Poeme Des Rivages / Diptyque Mediterraneen / Istar
d'Indy: Symphonie sur un Chant Montagnard Français, Saugefleurie, Médée & Prelude to Fervaal
Tableaux de voyage, Op. 33: IV. Lac vert
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 0x810844ae401cf011435bd08d72308bd1de0281a6ef82cec369d7dcf9f99489fc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR9W12214678.