Grandmother's Song

Recording by Robert Turgeon.

Recording identifiers

ISRC
USHM20953045
CopyrightID (CopyrightChains transaction hash)
0x49a71caa9182feb832a9a7139a5de9c9c9ddcb1662841636d0366705e1f29748
Copyright registration time
2026-06-19T22:47:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a4285f0e1817e92e747a3d5b2dece0f06edb0e4bed9093e404a92586736a3a3f

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.