ISRC DEF054102010

Verified recording

DEF054102010 is “Kaiserwalzer, Op. 437 - Recorded 1941” by Johann Strauss II, registered on the CopyrightChains blockchain with CopyrightID 0x7e6f8cc91d28193d9917d6e3263d459b9cc571de6396b50b945bf61fabdae717 and independently timestamped in Bitcoin block 960360 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054102010.

Recording identifiers

ISRC
DEF054102010
Title
Kaiserwalzer, Op. 437 - Recorded 1941
Artist
Johann Strauss II
CopyrightID (CopyrightChains transaction hash)
0x7e6f8cc91d28193d9917d6e3263d459b9cc571de6396b50b945bf61fabdae717

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11+00:00
Bitcoin block
960360
Canonical record hash
sha256:abf8fb72d33ab7c4603c9136ecf1a52a5fb1778f9437729958ddc8bd26dd162c
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054102010
Bitcoin block existence check
https://blockstream.info/api/block/960360

Full record

Track page: Kaiserwalzer, Op. 437 - Recorded 1941 · Machine-readable JSON-LD