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 0x989cedba0dd160c8e766323a576f9d32ce718aea1b2d04488f4b3612c2a8015f. 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/a76e6229-69d0-453b-9b0b-a3e81ce802c3.json and https://artists.proofprofile.net/proofs/artist/a76e6229-69d0-453b-9b0b-a3e81ce802c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Elijah, Op. 70, MWV A 25, Pt. 1: No. 1b, The Deep Affords No Water
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 0xb7cf296cc363b2d97205a0ae69dee343dbf82e3e808a9ba54279025e16311f86. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USTE10704389.
Elijah, Op. 70, MWV A 25, Pt. 2: No. 23, The Lord Hath Exalted Thee
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccaecb2a84afe138cee36c6fb2c3a7d4eb1be53368abb476f764565d80e0b56b. 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/USTE10727389.
Elijah, Op. 70, MWV A 25, Pt. 1: No. 2, Zion Spreadeth Her Hands for Aid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3200667333224543b73f050f0f6f8ca673e79b8ee8d0656e5e269b416ea9a4. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USTE10705389.
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
Elijah, Op. 70, MWV A 25, Pt. 1: No. 7a, For He Shall Give His Angels
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7992e9f8ae9b8bbd7656f8ca710ba863c3039c62e8afde300f11e2883cfb8af. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/USTE10710389.
Elijah, Op. 70, MWV A 25, Pt. 1: No. 15, Cast Thy Burden upon the Lord
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58936a1b2fb4535bfc137857020f22eeef594b41e98e689c314604b53c71092f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/USTE10719389.
Elijah, Op. 70, MWV A 25, Pt. 2: No. 28, Lift Thine Eyes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1c13e70128a5091fd0a83e68f8586dcc410557740990534d006d8253b899ef. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/USTE10732389.
Elijah, Op. 70, MWV A 25, Pt. 2: No. 41b, O Come, Everyone That Thirsteth
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2594e3827cf5bf5c92a1a40d98de81a00f656cf3332fead05a275ff4912e6ae5. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/USTE10746389.