ISRC USRDG0110040
Verified recording
USRDG0110040 is “Sinfonia No. 7 en La Mayor, Op. 92: II. Larghetto” by René Leibowitz,
registered on the CopyrightChains blockchain with CopyrightID
0x2ecf8725d52191ae7fcb64f7097b960634c1d3ffccaf55117d0db0460cf7d7b2 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0110040.
Recording identifiers
- ISRC
- USRDG0110040
- Title
- Sinfonia No. 7 en La Mayor, Op. 92: II. Larghetto
- Artist
- René Leibowitz
- CopyrightID (CopyrightChains transaction hash)
0x2ecf8725d52191ae7fcb64f7097b960634c1d3ffccaf55117d0db0460cf7d7b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2c73e0496d6d1ce5291b2fe16a3c80acf35e270f785f77a685522bb0e055599d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0110040
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sinfonia No. 7 en La Mayor, Op. 92: II. Larghetto · Machine-readable JSON-LD