A Sign of the Times

Recording by Petula Clark.

Recording identifiers

ISRC
GBAJE6600222
CopyrightID (CopyrightChains transaction hash)
0xf4898f602d1913aa526cd4f03891ff65246718a97c4bdefa31357d170ca40dd0
Copyright registration time
2026-07-31T11:38:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:cafd6b69340f7314ba5057470c206c7123d3c59f61469345ffc58ded6fcb977f

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.