ISRC US2TL0943823
Verified recording
US2TL0943823 is “Kleine Sinfonie, Op. 29: I. Thema mit Variationen” by Hanns Eisler,
registered on the CopyrightChains blockchain with CopyrightID
0x9241d673635c0d57c6fa275d7d8cdecb6d2cc5fb0660b611e63b11e9fc5afa4d and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0943823.
Recording identifiers
- ISRC
- US2TL0943823
- Title
- Kleine Sinfonie, Op. 29: I. Thema mit Variationen
- Artist
- Hanns Eisler
- CopyrightID (CopyrightChains transaction hash)
0x9241d673635c0d57c6fa275d7d8cdecb6d2cc5fb0660b611e63b11e9fc5afa4d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:c5e939a6a29b65877f4a3419ebf9654a8c1e267d7783bc668bbaf4b2e81b0f2e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0943823
- Bitcoin block existence check
- https://blockstream.info/api/block/960463
Full record
Track page: Kleine Sinfonie, Op. 29: I. Thema mit Variationen · Machine-readable JSON-LD