Ear Conditioning

Recording by Warne Marsh.

Recording identifiers

ISRC
USBN29600515
CopyrightID (CopyrightChains transaction hash)
0x5bf5f4b73975558e09b884aa8851fbdb474e84558b0841e736a51dcba756d188
Copyright registration time
2026-06-08T11:26:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:209d6cb6b4e8ec4195c55749fcfd2c018f5d8c8470515414f8763ab30194f56d

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.