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 0x4b976981084cef6d44216e35bf099aff3166693abc876dc74db34a0f9b97045d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebdf1518-eeb1-4bea-8bc4-4e75ed03024e.json and https://artists.proofprofile.net/proofs/artist/ebdf1518-eeb1-4bea-8bc4-4e75ed03024e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x161a932138618152787d5780aa61920866db696d41079a05f271b5c5826a708b. 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/USQX92400711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f9b0440f9c800271280b65fde0a0279234f9a987e701b04b085661e679c71f2. 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/GBPWR1400394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dcdd946ae850efb90a1b7dc406485ea1caefc51ee4f8c8ebca3ecdbd4972114. 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/US39N2300828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5100cca18984e2337cacecf2370c602b5ddf43e2adfb5cf14166f7872eaa52f1. 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/US39N2300896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0f8dc27ea5f4edbf143de6c72d9023a02bfaa7ab600e9f02330aca686f9c9f. 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/ZZOPM2225581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5100cca18984e2337cacecf2370c602b5ddf43e2adfb5cf14166f7872eaa52f1. 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/US39N2300896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3969679578972c03c5077eeb67407add6ea92bcafb03eaefc59cd1b75e4211d. 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/ZZOPM2224384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa214c7c3c852a63b3c27c1ba34350cc82a4ad3822f8b8afb801dbb4a96ba3519. 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/GBENT1688535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020c82457c5dd9d410566e24329877552b69cac6b1ef7e0ce4b12ccced6741fd. 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/GBGLW2000079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1dfea7f950180fbbde9df34a89100f58b4dece793c257dfce86558a454c9c91. 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/GBGLW2000081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0452568f37d3e6601e44ff555a76a3c10e944f6c690d9329cf635893d6fbba7b. 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/NLCK41036678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc473029bf1ad8852c3850c635a225bb63054d1cd5682b6c4695a71b6f449a980. 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/NLCK41032590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29c5cbef306891c225cf9d058280d99de4578e9445a363edad15cf5cf59df70. 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/USUS11900464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe75a030556ab7fd300fc5d30d13fda06d64a3fce701e76b69952a7354e11934d. 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/GBDLM1900081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e6744fa4f0cd9c18ef210faa8b5075f0d8983ea63e2021208791db312d41ee0. 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/GBDLM1900084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35c41b4653426f30718caf18026e3627811c2a8b013473b623a82e3937eb60ca. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBDLM1900063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff6e753be5aae856e3ec9da6cbab4deb7b0b17d5d4484c284d7dd578ef40456. 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/AUCN31207828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42782ba08524b3d06418b3d80974b0c2b7cfdae8a34c67b60bbef5520d77853e. 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/AUCN31207834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4efdf309d86094ab16899c982386e9172cbfd2cb5e415197d9ab16120d87977d. 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/GBAHT1700538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06df9216716d9d96cea7a99ead534e341823adde727e9819c27103d880d45520. 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/GBUM71901156.
Ten Thousand Feet & Rising (The Remixes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae78c6254d79c0591028e5ac1c37e4880ae6acf250cc22d9b792ad7e72755d65. 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/GBGLW2200856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68da4b93cf2f70201c0a1510a13f54836d43c9b5a656f1417a307083b480bd7b. 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/GB6LY1600663.