Once In A Lifetime (Only Once)

Recording by Peggy Lee.

Recording identifiers

ISRC
USCA20201304
CopyrightID (CopyrightChains transaction hash)
0x563cbde5215de6ac855caa68b3456fe18375178276912fb85d0f6cea8b2518c9
Copyright registration time
2026-07-07T04:46:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:da80af557f94e0afb120c122951cd3de6d5cb22b74f92b9ef0258af5133c33dd

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.