Day After Day

Recording by Def Leppard.

Recording identifiers

ISRC
GBF089900269
CopyrightID (CopyrightChains transaction hash)
0x1731d66350bd8273e9aaab63699ef9bb1d1517dc8b19abf0026d9f19f8d0911d
Copyright registration time
2026-06-11T00:19:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:4850fed6285532a56a5f6b843030b3eee1db8c1784e183ea44d8c476aa0e7034

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.