ISRC USB8U1600109
Verified recording
USB8U1600109 is “Symphony No. 3 in D Minor: I. Kräftig. Entschieden” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x7b8e69c56885256d6d9c48346eea8c494fded6692dd95870b9dcab6cb395d8ed and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1600109.
Recording identifiers
- ISRC
- USB8U1600109
- Title
- Symphony No. 3 in D Minor: I. Kräftig. Entschieden
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x7b8e69c56885256d6d9c48346eea8c494fded6692dd95870b9dcab6cb395d8ed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:73d24eeaa9bb56be982c0e55cecfc2573989ffea26c1e0ecd56dc5d34d03b1e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1600109
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Symphony No. 3 in D Minor: I. Kräftig. Entschieden · Machine-readable JSON-LD