Sing to the Mountains

Recording by Bob Dufford.

Recording identifiers

ISRC
USA4N1300057
CopyrightID (CopyrightChains transaction hash)
0xb68f39f7d07f2bcda4396d1f0d8a3905595ba97323fb4ed3176966dd3e8a03e1
Copyright registration time
2026-07-07T20:03:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:35c32851f564980dbdc08e6819a1ab5d8043fa73dcdfe034fb3d3db6d4d7052f

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.