Polythene Pam - Rehearsal / Mono

Recording by The Beatles.

Recording identifiers

ISRC
GBUM72006938
CopyrightID (CopyrightChains transaction hash)
0xee70ea4f3108e6dcc695e2ccfaa6043809efe9b84726e70fba27e0ec09a872ab
Copyright registration time
2026-06-10T10:51:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7eefcbbc902d9fb5d9e83db96b42745ae1a745c5a4b7f74ee020c50b214887bf

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.