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 0xcf2c3373020d45f9117787ef5154b2f2033c76251060ea3f375cc6f2e3110ab0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b548022-1cf4-4603-aac2-ece95e997c63.json and https://artists.proofprofile.net/proofs/artist/8b548022-1cf4-4603-aac2-ece95e997c63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kitchen (Original Motion Picture Soundtrack)
Inseparable (Music from the Motion Picture)
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 0x4ef18004fb7f17db9f374c706c635ade04d1628f4f6d1cee918e942870f40dfb. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:21:55Z), 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/TCAEC1922181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1e555f32d9104b39ede9f2e0669525c638e0d167d45908c8a83cafdfd4e5be. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T10:55:00Z), 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/TCAEC1921500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e2dd261d6cb16577a9875c13af9bbb3c74ac7ef89af0a67554a3dab8937a3d. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TCAEC1921503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1eb3c51621166a08189b947bddb867e4341068695a85fa7738358f242fed521. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/TCAEC1921504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ce28f70afe4a5916e267c18cdeae7cf5ef5bc438ff806ced80f364c90a5e1b. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:28:39Z), 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/TCAEC1921511.
Galerie for TV - Mysterious Investigations
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c906bfb86db8bd94536b523b21b3044f153d9425dd9353aa0ce04270e70c63. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/TCAGP2299780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14dbc1116227fcb543da44dd8b6422546260c513ecfb6f79b736552420a5ad2f. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/FR26F2301202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe64628288cd299012abc0d41c06be2810ac906c3148704a149fdd041f75d940. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/TCAHT2472872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f61e6ef92e4b745fd36534497644be613ade6c75ad3506b772d6951fb82456e. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:25:41Z), 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/TCAIO2483444.
Adieu Lulu (Original Soundtrack from "Adieu Lulu")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0eb3197d62c5dca198e6206d43b3de750ddc7e7cdbc66eeeba6d00ef3b681b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCAJH2515523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48ccf40d716a69396f6372eb145bbc064989fb2e632d37f3529f8df84ca463a. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:27:36Z), 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/TCAJH2516215.
Gymnopédie No.1 (Piano and Orchestra Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13f9bd47586fdeb2555cf34c2e5c9088e9bf2aeac72cf066a2f9ab6cc48d1be6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/TCAJH2516335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8092a8dab2268bded1479b5fa9b0101ac7061d1d656c4e2b7f1fe5c4b64d9d82. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/TCAJG2584922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc9008764d09d4b9d1db1456ae185eae87306b7ee8c8ce10fe356b09ad21042. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:42:31Z), 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/TCAJG2584943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b33d25128fcd05f1ebd359c419901eeadbe424dd7aa0737493faa5ce9061b4c. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/TCAJQ2532842.