ISRC ATTE41700211
Verified recording
ATTE41700211 is “Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 1 - Mäßig Bewegt” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xc4c39d3f5c50fa0bc680e884a0c49195e0d71a638c6bfe6266caefcb414c843c and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700211.
Recording identifiers
- ISRC
- ATTE41700211
- Title
- Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 1 - Mäßig Bewegt
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xc4c39d3f5c50fa0bc680e884a0c49195e0d71a638c6bfe6266caefcb414c843c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:a2ad17776ced340def14e72a66abbabbc6144ea3d8fbb65fab46d138cd424b82- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700211
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 1 - Mäßig Bewegt · Machine-readable JSON-LD