Day After Day

Recording by The Dave Brubeck Quartet.

Recording identifiers

ISRC
USTE10452002
CopyrightID (CopyrightChains transaction hash)
0x0a16e09df1090f802fa02d1ef255cad1a96252768e4b2e213d8a7bc2335c3018
Copyright registration time
2026-07-07T18:45:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:473dcb104c6289fb3aaf84bc29d84378afc970c037526028080f66731f00e73d

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.