ISRC ATTE41700212
Verified recording
ATTE41700212 is “Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 2 - Lustig Bewegt (À La Marcia)” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x525ae7e939a7b373b33784166fa510e5678d0889a4dcef479717f14e512ed305 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700212.
Recording identifiers
- ISRC
- ATTE41700212
- Title
- Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 2 - Lustig Bewegt (À La Marcia)
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x525ae7e939a7b373b33784166fa510e5678d0889a4dcef479717f14e512ed305
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:1b3a942e4fc36c432541198062cda5e4d5512ff4986146b79494e6edec5346e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700212
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 2 - Lustig Bewegt (À La Marcia) · Machine-readable JSON-LD