Richard Allen "Blue" Mitchell (March 13, 1930 – May 21, 1979) was an American trumpeter and composer who worked in jazz, rhythm and blues, soul, rock and funk. He recorded albums as leader and sideman
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 0x96ab4cfa48a4944bc4ad03198d1e65ae47bd5c7d5797ecc981223f12a1c0f72e. 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/2a2f09a4-29bf-46d6-8d8b-5eb3053d868a.json and https://artists.proofprofile.net/proofs/artist/2a2f09a4-29bf-46d6-8d8b-5eb3053d868a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Blue Mitchell: Ultimate Hard Bop Collection – Classic Jazz Hits & Soulful Grooves
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 0x0696eb0b3840278d9a4b7afd7562d363aa816c14a2332a0237a4baab72ab9b25. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), 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/USFI85800435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb388e05e9da78b11ab875836ab86b7258576c49b9fa29198d407cf590364acbf. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T10:52:44Z), 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/USTR80800110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c0e818a9f1dc3314072cb18da1fc2d2d942c0517a44974c54e32d59c244e95. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USSM19100761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e34a094f59d33ccdd34440ef9d69cd4cb05e3d3b23d2cf86043e1b592593af. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USSM19100757.
The Thing To Do (The Rudy Van Gelder Edition)
The Thing To Do - Remastered 2004/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6edefe274427827b34b43ce64b222ed610a24bc33e7d264a5348cdf3a20d88e. 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/USBN20300670.
Step Lightly - Remastered 2004/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25ca1eb93ada24e2fa0e25e2ec084c11a2f50e2f827d4506a6a52a60672db69. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/USBN20300671.
Chick's Tune - Remastered 2004/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d906f62bfeecdcdb0b581d5840464b3ecc0311ffcaa2329b504ae9ad5f8a21. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USBN20300672.
Millie - Remastered 2003/Rudy Van Gelder Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8921c429dbac5ae19aac291b8f21cb45a36cf4f5cc082577e08923501d746c08. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USBN20300564.
I Should Care - Rudy Van Gelder 24-Bit Mastering/2003 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba5668c13255bf9cd376792578ad43faeb9f1690a7117b5a04620e098375d11. Chain 2 (Bitcoin): anchored in block 958819 (2026-07-20T06:49:25Z), 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/USBN20300566.
Straight Up And Down - Rudy Van Gelder 24-Bit Mastering/2003 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75e6ca5b699e0ae50fe0b3788200ad7e65771cea0be8bf66b2896d2ef26d9b6a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USBN20300570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee35dc6cd70d7c7bf5ded5c3f96a1af526d7f22773d7c6797b6467902d09cd2. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/USC4R0720044.
Blue Mitchell: Smooth As The Wind / Blue's Moods
Blues's Moods. The Legendary Quartet Sessions (Bonus Track Version)
Blue Mitchell & Junior Cook Quintet Sessions "The Cup Bearers" / "Junior's Cookin'"
Blue Mitchell and Orchestra. "Smooth as the Wind" & "A Sure Thing"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4498570483c621cf79e0670d090c48afc994607bc06f95f7d8e924ad3e21fdeb. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/USBN29300317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e8c6188b2891aec7f93266ec690d37048f7219047a3f1176af5b1f4df90be6. 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/USBN20000801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c9980de69ee319ae909cb4e1141c086c0f4a13bdc09c6cb22c507d9445a402a. 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/USTR80800114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb90f7a1706396ae0873881deb8d2a488aa994f6e350b130974a62e7d49165998. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEUD92395816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d30ef2de73912ca5775c07375f77a75f2c9dea559dbc891e2bd66acfdae793b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USBN29801182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb33a5bf41c5a0077a15ba81ec2a34db8fc00d5321b4a6599917a747b569f0e08. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/USBN29400097.
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