Postlude

Recording by Nicholas Britell.

Recording identifiers

ISRC
USQX91601173
CopyrightID (CopyrightChains transaction hash)
0xd6649f36d7c458667b27a2d760422ad07ecd3903a1905737a2d9657e83030665
Copyright registration time
2026-07-07T10:22:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:0a69002b6339628bd8e8f5d7fc14773229ff2fb230afdd9351135b3e6eee9547

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.