Reconnaissance: V. Requiem

Recording by Kaija Saariaho.

Recording identifiers

ISRC
SEAEC2362230
CopyrightID (CopyrightChains transaction hash)
0x8ef9270b0fcc7c162e972383592fbcea03e5a2ec32c4a3de3e7aec0a7974ea06
Copyright registration time
2026-07-07T08:56:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:db3547894d690746173f440b3fa2cf7a9b79d7a9b8112914e13eb43c7c5bd4c5

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.