ISRC CALC42021368
Verified recording
CALC42021368 is “Postlude (Arr. for Violin and String Ensemble by François Vallières and Angèle Dubeau)” by Lera Auerbach,
registered on the CopyrightChains blockchain with CopyrightID
0x5e8229c666b9c082cdaaf6922155c218bb8df474b76ffef9ecf455bb13a76f15 and independently timestamped
in Bitcoin block 960277 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42021368.
Recording identifiers
- ISRC
- CALC42021368
- Title
- Postlude (Arr. for Violin and String Ensemble by François Vallières and Angèle Dubeau)
- Artist
- Lera Auerbach
- CopyrightID (CopyrightChains transaction hash)
0x5e8229c666b9c082cdaaf6922155c218bb8df474b76ffef9ecf455bb13a76f15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:10:47+00:00
- Bitcoin block
- 960277
- Canonical record hash
sha256:1aac17de9037216c1da3173e5716dc3bb4bc0861efe6245372abd33061a57369- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42021368
- Bitcoin block existence check
- https://blockstream.info/api/block/960277
Full record
Track page: Postlude (Arr. for Violin and String Ensemble by François Vallières and Angèle Dubeau) · Machine-readable JSON-LD