Jack Rose may refer to: Jack Rose (cocktail), a classic cocktail Jack Rose (colonial administrator) (1917–2009), RAF fighter pilot and British colonial administrator of Cayman Islands Jack Rose (footb
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 0x31067e603cd350e8a5ff4c64fe7cad8deadc307c5dbff51dd1fc6f73d8cceafa. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6fe5f949-4762-47ac-886e-4adf0fcf059b.json and https://artists.proofprofile.net/proofs/artist/6fe5f949-4762-47ac-886e-4adf0fcf059b.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 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 0x9480b031e288522971de0a56cdd3602a782e395388dc016a338a5b79afb47940. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/US66N0500391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90ee62a13d70dd530bb224add9ac81f003f798bfb6c1fc296791b27ae03f79b. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/US66N0500351.
Rappahanock River Rag (For William Moore)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11a9380de1ebe4a98053d5044aa4167a80d3fa28e863291737ae725f9f80559. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/US66N0500352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd8e256d376f97b55888db8e1c3f37036c3e44c20c0258a7df54624960eb5fdb. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/US66N0500354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c50456ffb13eea5a0f47b00249ac4b197f36b6207905e9f837db4cafe82ef9. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/US66N0500355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2528316487fdd50b40b7f52334914de84f225ad9c531c2c3fee770c8d3b95283. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/US66N0500356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbabda98ad50c894e4dd33939ffd1ff11c9a5dea9af73e212fe91cabc60c4c1d5. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USA2B1603878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b11c703ee09c1a65919e1f0c3f8e99cefa1c799739ffeb06813d97868bfc25e. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/USA2B1603885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a55bd5d8b609a4f2979ebb1b5ea4f9a12b336aa046154e6204464a52bd23ba. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/USA7G1010052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53f6fe9cc0fdb8538d4df463af10f1353ec14cb924d1401ec10e82b2e5f52894. Chain 2 (Bitcoin): anchored in block 959109 (2026-07-22T07:21:40Z), 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/USTJ21022902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aeba8490bd89e3d733c580bbe9a5904088a2ff330b4f1ec91f4ce4e1f885d33. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USTJ21022903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe377aa07492148d09ad3ff0d0a62189b36bce3c1d5711d00b7c569d4ab8aa4. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USTJ21022905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8b4d600cb13042229f040b49a1d12d99923e9cc338f57e1189d8ed58daebeb. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/USTJ21022906.