ISRC USSM19503336
Verified recording
USSM19503336 is “Musica ricercata: No. 5, Rubato. Lamentoso” by György Ligeti,
registered on the CopyrightChains blockchain with CopyrightID
0x1d45ade99e872c816fb80dd6a0a363158aa2ef8fa75f76aacf5eb429d7d25b41 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503336.
Recording identifiers
- ISRC
- USSM19503336
- Title
- Musica ricercata: No. 5, Rubato. Lamentoso
- Artist
- György Ligeti
- CopyrightID (CopyrightChains transaction hash)
0x1d45ade99e872c816fb80dd6a0a363158aa2ef8fa75f76aacf5eb429d7d25b41
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:87e54208ff9f4bd7a3170084b146029bd88a8a6e5c93b94787e1d69b51b738f6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19503336
- Bitcoin block existence check
- https://blockstream.info/api/block/960164
Full record
Track page: Musica ricercata: No. 5, Rubato. Lamentoso · Machine-readable JSON-LD