Thoughts on a Grey Day

Recording by Fleetwood Mac.

Recording identifiers

ISRC
USRE19900774
CopyrightID (CopyrightChains transaction hash)
0xc0319d4d64cffb54ecccd8f04989f3917b18d7f47cc99a6968ccdd0c30e0f85b
Copyright registration time
2026-06-11T23:17:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7a8e4f702e31842947a813f94a4156bb5f5bc317de959ec38bacb55d38f71fa6

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.