ISRC DEF057700083
Verified recording
DEF057700083 is “Piano Sonata No. 2: III. Modéré, presque vif” by Pierre Boulez,
registered on the CopyrightChains blockchain with CopyrightID
0x0f07b297405411804ff231fa6b634ba959ede9f6cee81e4031d9196a0e3ea0d3 and independently timestamped
in Bitcoin block 960387 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057700083.
Recording identifiers
- ISRC
- DEF057700083
- Title
- Piano Sonata No. 2: III. Modéré, presque vif
- Artist
- Pierre Boulez
- CopyrightID (CopyrightChains transaction hash)
0x0f07b297405411804ff231fa6b634ba959ede9f6cee81e4031d9196a0e3ea0d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:06:30+00:00
- Bitcoin block
- 960387
- Canonical record hash
sha256:1e857c1998d2f65f7af59c820e0612da031e5aae09128ad66c6386f41b42de45- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057700083
- Bitcoin block existence check
- https://blockstream.info/api/block/960387
Full record
Track page: Piano Sonata No. 2: III. Modéré, presque vif · Machine-readable JSON-LD