How Long?

Recording by Vampire Weekend.

Recording identifiers

ISRC
USSM11900143
CopyrightID (CopyrightChains transaction hash)
0xdafc7a55cbfb48efea8763a7ed76f55710792c5b7d69ef853c656232192e3843
Copyright registration time
2026-06-04T15:20:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a7f42fea76a19b720ad1f2fa7410c12f16ca9660455b16e5f30c49e6a935c17c

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.