ISRC USASX2460302
Verified recording
USASX2460302 is “Octet for Two Clarinets, Harp, Two Violins, Viola, Cello and Double Bass: I. Allegro moderato” by Charles Martin Loeffler,
registered on the CopyrightChains blockchain with CopyrightID
0xf5fe2c3370d0d770a6b2485c77616d29875d7dbdbb2655c8da43bf82403629c6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX2460302.
Recording identifiers
- ISRC
- USASX2460302
- Title
- Octet for Two Clarinets, Harp, Two Violins, Viola, Cello and Double Bass: I. Allegro moderato
- Artist
- Charles Martin Loeffler
- CopyrightID (CopyrightChains transaction hash)
0xf5fe2c3370d0d770a6b2485c77616d29875d7dbdbb2655c8da43bf82403629c6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8f1cb9f83d657fca718c556a19ed03254abbb6610a803e065fe20dace5bdce44- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX2460302
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Octet for Two Clarinets, Harp, Two Violins, Viola, Cello and Double Bass: I. Allegro moderato · Machine-readable JSON-LD