Granddaddy's Watch

Recording by Jon Langston.

Recording identifiers

ISRC
USUM72309492
CopyrightID (CopyrightChains transaction hash)
0xf7e7db18f3a3c2ac07ec678496865d9fce5dd42729774142f6d04ee5348828a2
Copyright registration time
2026-06-18T19:15:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6b68d61828ca4991d91975756f67b5020a70565f56fbd0bedf4017d1dedc103f

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.