ISRC FRZ140322050
Verified recording
FRZ140322050 is “Trio No. 2 in E Minor, Op. 67: IV. Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0xdd64eaacb9ff0d90015c1db70c73b2942ea09b89e158548fa4838c545f34f419 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140322050.
Recording identifiers
- ISRC
- FRZ140322050
- Title
- Trio No. 2 in E Minor, Op. 67: IV. Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0xdd64eaacb9ff0d90015c1db70c73b2942ea09b89e158548fa4838c545f34f419
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9f50a300386515a03a5ada20ef9dfdb361cd36069a7feb486c2ebfe1a382fdba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140322050
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Trio No. 2 in E Minor, Op. 67: IV. Allegretto · Machine-readable JSON-LD