Seventy-Six Trombones - From The Music Man

Recording by M. Willson.

Recording identifiers

ISRC
AUXN22178321
CopyrightID (CopyrightChains transaction hash)
0x2c0d59c80f983052bee948b92b36cf22a71a7155dad5fdff04b33ff544b904a1
Copyright registration time
2026-06-18T02:36:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:dd658fa7efe6c4addd473441ea20c119bf5af4fe37592e6789999ee402c0ef3e

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.