Is Once Enough?

Recording by Jean-Luc Ponty.

Recording identifiers

ISRC
USAT20000432
CopyrightID (CopyrightChains transaction hash)
0x786de671abc4d0cb2067efff1213bd693688fd0d4e6269cdf5f3943608c2b45f
Copyright registration time
2026-06-18T18:45:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fb1013d408201735fc5a1be4de1d3f396341de28b03285958a6db9958bf5631d

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.