ISRC DEF058802764
Verified recording
DEF058802764 is “Sonata for Clarinet and Piano: 1. Allegro tristement - Extract” by Francis Poulenc,
registered on the CopyrightChains blockchain with CopyrightID
0xb5782a85db23bd4f242245cc37c1d02e5398c3668c9f25fd9ab4d59dd8459352 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802764.
Recording identifiers
- ISRC
- DEF058802764
- Title
- Sonata for Clarinet and Piano: 1. Allegro tristement - Extract
- Artist
- Francis Poulenc
- CopyrightID (CopyrightChains transaction hash)
0xb5782a85db23bd4f242245cc37c1d02e5398c3668c9f25fd9ab4d59dd8459352
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:fb84bf1eb3271f3373ca02040ff24b4b4b9c1658925350d0ed43d5066b52c676- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802764
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Sonata for Clarinet and Piano: 1. Allegro tristement - Extract · Machine-readable JSON-LD