Edelweiss Waltz

Recording by Irwin Kostal.

Recording identifiers

ISRC
USRC11403225
CopyrightID (CopyrightChains transaction hash)
0x9590320f65e655cc1007d5a1c3691b37957a31f280140da50d5dccee3b35ce6a
Copyright registration time
2026-06-05T13:29:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ea7b2d88e2b63e352a6d24dbe221d5ad213faece29b84941d1c952c1754e00dd

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.