Cassy O'

Recording by George Ezra.

Recording identifiers

ISRC
GBARL1301630
CopyrightID (CopyrightChains transaction hash)
0x996640e9aa039eba5a0bd3f5724a36b1311307e25a752fed42bd90162097589b
Copyright registration time
2026-06-04T08:21:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b1bd0bc162125559dd5330038bf4197c2fbf80b2e62c483ee1b2b4d2b20fec3b

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.