ISRC DEF055901463
Verified recording
DEF055901463 is “String Quartet No. 1 in C Minor, Op. 51, No. 1: III. Allegretto molto moderato e comodo - Un poco più animato” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xbb88212cf0ac3fe9b90a39fba43bc85dad7982250ae87b2aedd3df88dd9fd557 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901463.
Recording identifiers
- ISRC
- DEF055901463
- Title
- String Quartet No. 1 in C Minor, Op. 51, No. 1: III. Allegretto molto moderato e comodo - Un poco più animato
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xbb88212cf0ac3fe9b90a39fba43bc85dad7982250ae87b2aedd3df88dd9fd557
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:c8ecbe29dc81ac789e8b13382c2c12fac03551fc171c3c4b9fd08330efecb96e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901463
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: String Quartet No. 1 in C Minor, Op. 51, No. 1: III. Allegretto molto moderato e comodo - Un poco più animato · Machine-readable JSON-LD