ISRC DEF059331205
Verified recording
DEF059331205 is “12 Notations for Piano: V. Doux et improvisé” by Pierre Boulez,
registered on the CopyrightChains blockchain with CopyrightID
0x91683c05585bd3149479a8b900c5405052ed0f1dee18bf639a4da809c6f08379 and independently timestamped
in Bitcoin block 960277 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331205.
Recording identifiers
- ISRC
- DEF059331205
- Title
- 12 Notations for Piano: V. Doux et improvisé
- Artist
- Pierre Boulez
- CopyrightID (CopyrightChains transaction hash)
0x91683c05585bd3149479a8b900c5405052ed0f1dee18bf639a4da809c6f08379
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:10:47+00:00
- Bitcoin block
- 960277
- Canonical record hash
sha256:2fd560ff634fa9c81613e80ba7ef8c332a982e27e50e6b436288d4cf707e1a3f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331205
- Bitcoin block existence check
- https://blockstream.info/api/block/960277
Full record
Track page: 12 Notations for Piano: V. Doux et improvisé · Machine-readable JSON-LD