ISRC GBLWD1108009
Verified recording
GBLWD1108009 is “String Quartet No. 3 in A Major, Op. 41 No. 3: I. Andante espressivo - Allegro molto moderato” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xe5eccb4cea7749b49f83d242a24645c06c173f7c5f4179d5ac92f1d329e8863e and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1108009.
Recording identifiers
- ISRC
- GBLWD1108009
- Title
- String Quartet No. 3 in A Major, Op. 41 No. 3: I. Andante espressivo - Allegro molto moderato
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0xe5eccb4cea7749b49f83d242a24645c06c173f7c5f4179d5ac92f1d329e8863e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:63715af8cfab8ae0828595b6e96750f931f8f4fb32ab2d8ef4c8e9f8dd89ae4b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1108009
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: String Quartet No. 3 in A Major, Op. 41 No. 3: I. Andante espressivo - Allegro molto moderato · Machine-readable JSON-LD