Been a Long Day (Reprise)

Recording by Jeff Blumenkrantz.

Recording identifiers

ISRC
USBC19505346
CopyrightID (CopyrightChains transaction hash)
0x76e252faa7f0f868deb7e4e36c319e75a8c9bcc2d709dd83ec59947fc296e59e
Copyright registration time
2026-07-30T09:44:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:1141d1107dfda04acbf511c0b9a100271aedb216820a795a9b64a35db14b6ff7

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.