ISRC DEF057101311
Verified recording
DEF057101311 is “Trumpet Concerto in E flat major: 1. Allegro con spirito” by Johann Nepomuk Hummel,
registered on the CopyrightChains blockchain with CopyrightID
0x07c886a0a4dbdbd279b5d4c7a4987d3e45019ed25b37be428d89f60a25a3fef8 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/DEF057101311.
Recording identifiers
- ISRC
- DEF057101311
- Title
- Trumpet Concerto in E flat major: 1. Allegro con spirito
- Artist
- Johann Nepomuk Hummel
- CopyrightID (CopyrightChains transaction hash)
0x07c886a0a4dbdbd279b5d4c7a4987d3e45019ed25b37be428d89f60a25a3fef8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:d3bb6463ea59ffec49e41458603c38b8b4c0132b6be2503545c6c7baced46412- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057101311
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Trumpet Concerto in E flat major: 1. Allegro con spirito · Machine-readable JSON-LD