ISRC FR7JM1879170
Verified recording
FR7JM1879170 is “Improvisation on Bach: Alabama. Slowly, pensively (rubato) (Arr. for saxophone and cello)” by John Coltrane,
registered on the CopyrightChains blockchain with CopyrightID
0xe5fd90df3ed34dd78b686c026b636d5a07ebe42df257b689a554b173a4dfc0bb and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879170.
Recording identifiers
- ISRC
- FR7JM1879170
- Title
- Improvisation on Bach: Alabama. Slowly, pensively (rubato) (Arr. for saxophone and cello)
- Artist
- John Coltrane
- CopyrightID (CopyrightChains transaction hash)
0xe5fd90df3ed34dd78b686c026b636d5a07ebe42df257b689a554b173a4dfc0bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:c592972f3059cc297912f28556c7c1971ab79d94e5b58317e51f3e1932ad21d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879170
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Improvisation on Bach: Alabama. Slowly, pensively (rubato) (Arr. for saxophone and cello) · Machine-readable JSON-LD