Long Hot Summer Days

Recording by John Hartford.

Recording identifiers

ISRC
USFF27602002
CopyrightID (CopyrightChains transaction hash)
0xb1d288b419ebf9648cf02287a3e360c0881282d3588d154ce9383650567488fb
Copyright registration time
2026-06-08T11:26:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:792e0b33425c1b479fa5a2e9540a3b65f7beff908f5ac02f1b4f5f6f5ff701e4

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.