ISRC HKI190016907

Verified recording

HKI190016907 is “Wie einst in schoner'n Tagen (Once in Fairer Days), Op. 64, No. 1” by David Popper, registered on the CopyrightChains blockchain with CopyrightID 0x0b790b1fd9fa5e2aac759174959335a645b4a84557e196ea17a43bd23c17ac3e and independently timestamped in Bitcoin block 960368 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190016907.

Recording identifiers

ISRC
HKI190016907
Title
Wie einst in schoner'n Tagen (Once in Fairer Days), Op. 64, No. 1
Artist
David Popper
CopyrightID (CopyrightChains transaction hash)
0x0b790b1fd9fa5e2aac759174959335a645b4a84557e196ea17a43bd23c17ac3e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41+00:00
Bitcoin block
960368
Canonical record hash
sha256:fc9e49490f64249c52997dc2e1c6570b079f92d8f957d2688311d45320fc087d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190016907
Bitcoin block existence check
https://blockstream.info/api/block/960368

Full record

Track page: Wie einst in schoner'n Tagen (Once in Fairer Days), Op. 64, No. 1 · Machine-readable JSON-LD