Mark Time

Recording by Kenny Wheeler.

Recording identifiers

ISRC
ITC000851737
CopyrightID (CopyrightChains transaction hash)
0xbfcea936a17a7e445f3230a23ab10cfdb706b1a0700b80e7ee6228ed94a349a4
Copyright registration time
2026-07-07T03:21:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0c3e80053f430d4a21ca830ca69873b646ae5261b5185189bbcb32fa23923a9e

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.