The Sailboat Song

Recording by John Hartford.

Recording identifiers

ISRC
USRN10100433
CopyrightID (CopyrightChains transaction hash)
0x3cbf9f686e6b71924903b9030f87991d006b511a61d7eee98cb46be49e9cccbe
Copyright registration time
2026-07-07T03:22:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:72c0e1a2d4186e48e4efdcadca938ed36d67e0ad698db5636d4d1b4ee34e65be

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.