You Know Exactly What Day

Recording by David Hirschfelder.

Recording identifiers

ISRC
USHM81514933
CopyrightID (CopyrightChains transaction hash)
0x98cc04e25122bd4dc6f0cf8d85c3796e3fd928ea63f809bea8f36ea2b7f6dcf9
Copyright registration time
2026-07-06T08:05:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:13c77d5ba71658e293221114a2a45cef065381a0c0effd3256eeadf449078d3a

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.