Louis Hayes (born May 31, 1937) is an American jazz drummer and band leader. He was with McCoy Tyner's trio for more than three years. Since 1989 he has led his own band, and together with Vincent Her
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 0x8e920ce1083ae58d799d115905628bb701597e5f31a494448fe758d6991bd861. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a1ab824-817c-45d9-9ff9-275cf45c54a2.json and https://artists.proofprofile.net/proofs/artist/7a1ab824-817c-45d9-9ff9-275cf45c54a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
At Onkel Pö's Carnegie Hall, Hamburg 1976 (Live)
Louis Hayes Featuring Yusef Lateef & Nat Adderly
Swiss Radio Days Jazz Series, Vol. 5 (Live At Lausanne 1977)
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 0x85b859c91b1b08aeac8daeac6d66c9571456dc8de849c6c81dd8e5c506bd28fc. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:42:55Z), 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/USSTR2421801.
The Moontrane - Recorded Live in Stuttgart, March 22, 1976
The Tour, Vol. 1 (Recorded Live in Stuttgart, March 22, 1976)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc949279bf6d171e840a2ee16115b580e48cf4aba73d2e0f3a8de862325d2c9aa. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/USHNR1629101.
Invitation - Recorded Live in Stuttgart, March 22, 1976
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6696d484431ab119fb63d92ff5811963f994e6c2f8a5b86cf56ba2d52855dd37. 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/USHNR1629106.
Obsequious - Recorded Live in Stuttgart, March 22, 1976
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a19d34fa955c4353cfa1d650acbd4f47eaa7fd7068b44691e31bc4f0257eb6. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/USHNR1629102.
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
Sun Bath - Recorded Live in Stuttgart, March 22, 1976
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2474c6fa3faa3f7c226247afc62d5d1aa5ccf67349c3631dff049f201e3566. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/USHNR1629105.