Threnody to the Victims of Hiroshima

Recording by Krzysztof Penderecki.

Recording identifiers

ISRC
PLA160547503
CopyrightID (CopyrightChains transaction hash)
0x2bc47b4c86d8d04f2760368bd83b7e402037a82bbb064574bf9f07b5948c0fe9
Copyright registration time
2026-06-08T04:15:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7b18eee7334204469d4ea9fa2a2b13d6b5af12225422676a91c3e58fe2e6a31c

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.