ISRC DEF059830702

Verified recording

DEF059830702 is “Des Knaben Wunderhorn: Rheinlegendchen” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0x76eca21483a1800104911313ac35955bf316f59678bc5583bbed01e7027169f7 and independently timestamped in Bitcoin block 960459 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059830702.

Recording identifiers

ISRC
DEF059830702
Title
Des Knaben Wunderhorn: Rheinlegendchen
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0x76eca21483a1800104911313ac35955bf316f59678bc5583bbed01e7027169f7

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46+00:00
Bitcoin block
960459
Canonical record hash
sha256:565ce99c34e17b6b947b800647af1a6dd4d42640fb99bd8d82a4d9ab8f8b88c0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059830702
Bitcoin block existence check
https://blockstream.info/api/block/960459

Full record

Track page: Des Knaben Wunderhorn: Rheinlegendchen · Machine-readable JSON-LD