Sonoran Twilight

Recording by R. Carlos Nakai.

Recording identifiers

ISRC
US8640571702
CopyrightID (CopyrightChains transaction hash)
0x284829b5d29075a3257f2810fd49c4bda881de9ae1d002271898fac1cd59ee1e
Copyright registration time
2026-07-06T07:54:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:3c16ff6181a73da1af59338811f070298c7772bcd72e047546f77f8200adc345

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.