Requiem

Recording by Sarah Spring.

Recording identifiers

ISRC
QM24S1924154
CopyrightID (CopyrightChains transaction hash)
0x3d54512d5a88d724b9eea21702cf57e45ada7ba096761fededf7da906c2d5832
Copyright registration time
2026-06-07T10:08:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:da289e85df11bbb0c7e1ccb08d4ece2de3654527f6a3c47e1ec0c3409fedf157

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.