The Big Sleep

Recording by Charles Gerhardt.

Recording identifiers

ISRC
USBC18900601
Release date of the album this recording appears on
1973
CopyrightID (CopyrightChains transaction hash)
0x67226e4431b41b9d9a66be1bf43aa30332fc5eee7497b786dd5be799be3b9348
Copyright registration time
2026-07-31T18:10:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:3e74788c4a48c497acb5385c972caf2c108c35c55603876e3862ddf68655f294

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.