Processional Waltz

Recording by Irwin Kostal.

Recording identifiers

ISRC
USC4R2218685
CopyrightID (CopyrightChains transaction hash)
0x1149ff47a6b98c70e78fa470cc99b646fee0cad0c88853a6d784ff53ca9357e7
Copyright registration time
2026-06-21T04:16:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:787f5b3d1b7d57159a5e37ddd3efbc2a91787c4381ee58da3b051bbcb9c72de1

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.