ISRC GBLWD0903307
Verified recording
GBLWD0903307 is “Bassoon Sonata, Op. 71: II. Nocturne. Presque adagio” by Charles Koechlin,
registered on the CopyrightChains blockchain with CopyrightID
0x5a45204511383711b29e0927df576abcc25645114a7342fe7ab00adfca50765c and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0903307.
Recording identifiers
- ISRC
- GBLWD0903307
- Title
- Bassoon Sonata, Op. 71: II. Nocturne. Presque adagio
- Artist
- Charles Koechlin
- CopyrightID (CopyrightChains transaction hash)
0x5a45204511383711b29e0927df576abcc25645114a7342fe7ab00adfca50765c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:970fee2b8a4234f052cd413b7ae71b96d3df9838daa4341bbe415b819f499079- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0903307
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Bassoon Sonata, Op. 71: II. Nocturne. Presque adagio · Machine-readable JSON-LD