Pittsburgh

Recording by William Fitzsimmons.

Recording identifiers

ISRC
GBLAZ1500535
CopyrightID (CopyrightChains transaction hash)
0x3ae4ef39cb90456175af1f893160dffc8a809e46d742335c9b96369e77556a3e
Copyright registration time
2026-06-26T14:57:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:06f7c8eaaa30ebf7e579d04853a981180ac079e275d6c13764de08c3dfb413be

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.