Mighty Long Time

Recording by Sonny Boy Williamson II.

Recording identifiers

ISRC
USAP30031010
CopyrightID (CopyrightChains transaction hash)
0xeda2015b11838a1bd0e39548b20d47c4b7dabfaf3346dce9ad040abefc9cc1a9
Copyright registration time
2026-06-21T04:18:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:56237de6c797c805ae002ce6bee3795034ce15eaa02fae7ffd5c087501f60c21

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.