Canto Invierno

Recording by Dave Grusin.

Recording identifiers

ISRC
USUMC0000215
CopyrightID (CopyrightChains transaction hash)
0x2ae22217b99ee9403f8894eb8a0d697c550379804182a7a11fdf36b6f86decb6
Copyright registration time
2026-07-07T04:22:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1cadd02d4eaebac67f6491b465567aec0b76e6c62e07bb7001e2baf004c639ac

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.