ISRC FRZ201902044
Verified recording
FRZ201902044 is “Hummel: Introduction, Theme and Variations for Oboe and Orchestra, Op. 102: Variation IV” by Johann Nepomuk Hummel,
registered on the CopyrightChains blockchain with CopyrightID
0x3ea39725bd062df4bf61bbed10edb1df779d26ff2c21d08e5a9bf885d8381999 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201902044.
Recording identifiers
- ISRC
- FRZ201902044
- Title
- Hummel: Introduction, Theme and Variations for Oboe and Orchestra, Op. 102: Variation IV
- Artist
- Johann Nepomuk Hummel
- CopyrightID (CopyrightChains transaction hash)
0x3ea39725bd062df4bf61bbed10edb1df779d26ff2c21d08e5a9bf885d8381999
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:225ae1d736afd81a005c5e4181796223564afc6dc0dbb4f3109121b951ee2687- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201902044
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Hummel: Introduction, Theme and Variations for Oboe and Orchestra, Op. 102: Variation IV · Machine-readable JSON-LD