Smoke Signal

Recording by Gigi Gryce.

Recording identifiers

ISRC
JPCO05501090
Release date of the album this recording appears on
1955-01-01
CopyrightID (CopyrightChains transaction hash)
0x88cac37b29abdda4b4ff7d3054d1c759647850313dfbb667f7ce7d9b83ba63fa
Copyright registration time
2026-07-29T20:38:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:755c7b8214758effe6beead7fc0686f2b2766713a042a78548a88b812122074b

What this proof establishes

This recording was released in 1955, 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.