The Stretch

Recording by Trio Heinz Herbert.

Recording identifiers

ISRC
CHD542400007
CopyrightID (CopyrightChains transaction hash)
0x51f66e5e164987bd5915afcd7dcc4d7d2fc4c84cf6db3b4a534f8cf1d037d773
Copyright registration time
2026-07-30T20:51:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:00:46Z
Bitcoin block
960314
Canonical record hash
sha256:85393863a8e947b669c96583b91d324f74eead385d292d4df59d5d2d57698010

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.