Andrew, Andy or Drew Hill may refer to: Music Andrew Hill (jazz musician) (1931–2007), American jazz pianist and composer Andy Hill (American music producer) (born 1951), American record producer an
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 0x581ceba8c8e345c04faaa21ed879088581b9045b2c68af2427a032134ad1f00a. 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/71dacde1-d32b-4e4e-aebf-6d26b1ff8451.json and https://artists.proofprofile.net/proofs/artist/71dacde1-d32b-4e4e-aebf-6d26b1ff8451.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Point Of Departure (The Rudy Van Gelder Edition)
Refuge - Rudy Van Gelder Edition/1999 Remaster
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 0xbba5aadf632d678cbc83b30ddc83d7a74c0dc8a6abb5f6747b4a6917c10f2abe. 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/USBN29801094.
Spectrum - Rudy Van Gelder Edition/1999 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5535a7fb5b36f9eac5f82342944c182b10c2ac28a06bb5c485923889c55184f. 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/USBN29801096.
Dedication - Rudy Van Gelder Edition/1999 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5877254837439910bc559719913a5b097c40121f2c9c8b220e3198ef27c76386. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USBN29801098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a2bba0e7f775db2bb170a96b50edd10ee784f73636f11eb3f1db7f442537a40. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/USBN20300765.
Judgment (Remastered 2003 / Rudy Van Gelder Edition)
Siete Ocho - Remastered 2003 / Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c20c968f69a8c58392611c3bb9382fe1d31f841a3c33460c893c2a12aa0217e. 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/USBN20300159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc0089f8d759d0db1b1553703c1404c455d83c72970d1b99db3567498794902. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/USBN29900986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e58397efdbfe9544e6bc746ffa2783888589cdf60eb8d2d51621dc05807fea2. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USBN29200196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19a155c5cd425cb1faf6d11ce24949cea901168fdfca871a0bf20005c7c34a1a. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/USBN20300536.
Black Fire - Remastered 2003/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a2bba0e7f775db2bb170a96b50edd10ee784f73636f11eb3f1db7f442537a40. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/USBN20300765.
Land Of Nod - Remastered 2003/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a2814821bd06bd6cc32fdcda796792598e4cb500e482fa2ef0b803dd8bb302. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USBN20300769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40a58f5819911e79a0f7dc40c6adce0c0c30f44d61c3052bf89d6dce02e87f38. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/USBN29400552.
Smoke Stack - Remastered 2003/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65536029a4ca0fcc65f09a3a03af286ef1f3eed5f90b13110f02662a4e55f04b. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/USBN20300791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03bf0dbcd87e5b0fb5dc76d92e17f6773f9428c0bf8dd6bfa12878b6b61eb4e9. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/USBN20700110.
Black Fire (Remastered) [Bonus Track Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e58397efdbfe9544e6bc746ffa2783888589cdf60eb8d2d51621dc05807fea2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USBN29200196.