ISRC QM4CY1700004
Verified recording
QM4CY1700004 is “String Quartet No. 2 in C Major, Op. 36: I. Allegro calmo, senza rigore” by Benjamin Britten,
registered on the CopyrightChains blockchain with CopyrightID
0x5f8187b4187aa32817ed2ca958ebfbca1e343826e79a0ef047f4a1b08f802980 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4CY1700004.
Recording identifiers
- ISRC
- QM4CY1700004
- Title
- String Quartet No. 2 in C Major, Op. 36: I. Allegro calmo, senza rigore
- Artist
- Benjamin Britten
- CopyrightID (CopyrightChains transaction hash)
0x5f8187b4187aa32817ed2ca958ebfbca1e343826e79a0ef047f4a1b08f802980
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:1ef5391bd6638cfdeb5aacd41eb66812f5929f59128951d2dc3d1d74124ea6d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4CY1700004
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: String Quartet No. 2 in C Major, Op. 36: I. Allegro calmo, senza rigore · Machine-readable JSON-LD