1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x2ed4cdc680e5525d08f3ed9fc5c49733eb69722382b194868f87257725be3c50. 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/3bb56b07-871f-4611-98c8-d03a972a857c.json and https://artists.proofprofile.net/proofs/artist/3bb56b07-871f-4611-98c8-d03a972a857c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lennie Niehaus, Vol. 4: The Quintets & Strings
Unforgiven (Original Motion Picture Soundtrack)
Absolute Power (Original Motion Picture Soundtrack)
I Can't Believe That You Are in Love with Me
Complete Fifties Recordings - 4: Octet, I Swing For You
Complete Fifties Recordings - Three: Quintet And Octet
I Can't Believe That You're In Love With Me
Complete Fifties Recordings - Two: Octet And Quintet
Complete Fifties Recordings - One: Quintet And Octet
Lennie Niehaus Quintet & Octet (feat. Stan Kenton)
Lennie Niehaus: Quintet & Octet (feat. Stan Kenton Orchestra)
I Can't Believe That You're in Love With Me
Original Jazz Sound: 18 Takes (1956), Vol. 3
Original Jazz Sound: 20 Takes (1955), Vol. 2
Original Jazz Sound: 20 Takes (1954-1955), Vol. 1
Let Me See (Alternate Take) - Original Mix
One Hundred Years from Today - Original Mix
Kiss Me and Kill Me With Love - Original Mix
I See Your Face Before Me - Original Mix
Nice Work If You Can Get It - Original Mix
You Stepped Out of a Dream - Original Mix
I Can't Believe That You're in Love With Me - Original Mix
Complete Fifties Recordings Vol. 2: Octet & Quintet
Complete Fifties Recordings Vol. 1: Quintet & Octet
Complete Fifties Recordings Vol. 4: Octet, I Swing for You
Complete Fifties Recordings Vol. 3: Sextet, Quintet & Octet
I Can't Believe That You're in Love with Me
The Cool Side of the City, Vol. 7 - Refined Jazz Grooves
Doe Eyes (From "The Bridges Of Madison County")
a calm playlist for reading, studying or writing
Blue Skies (arr. L. Niehaus for wind ensemble)
2013 Midwest Clinic: Cedar Ridge High School Low Brass Choir
Have You Met Miss Jones (2005 - Remaster)
{"copyright_id":"0x67af153b924b30350f9fdcc78dc2a0356262ad26cb548266e096d971dd88de5d","isrc":"USTE10307440","name":"Doe Eyes (From \"The Bridges Of Madison County\")","registered_at":"2026-06-26T19:23:25Z","spotify_id":"2fc2ABRueT2yaPpm76H0xV","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67af153b924b30350f9fdcc78dc2a0356262ad26cb548266e096d971dd88de5d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2fc2ABRueT2yaPpm76H0xV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2fc2ABRueT2yaPpm76H0xV.