ISRC DEF056302011
Verified recording
DEF056302011 is “Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto – Allegro - Recorded 1963” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xf207c38b958a7d9d2f8ed87b4c7c55f77185d51b043588b8e7c2a3cefcc57f50 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056302011.
Recording identifiers
- ISRC
- DEF056302011
- Title
- Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto – Allegro - Recorded 1963
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xf207c38b958a7d9d2f8ed87b4c7c55f77185d51b043588b8e7c2a3cefcc57f50
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:cb59a42ae57009a2b11ee93b202c16277965ef997c8cb4a2d273790213b50594- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056302011
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto – Allegro - Recorded 1963 · Machine-readable JSON-LD