Gray Skies

Recording identifiers

ISRC

ITC002500603

CopyrightID (CopyrightChains transaction hash)

0x9a68eae3c0537f5bb55417aaf6920e0e2a7d46e7cf1907bb5e8de58404bb18f8

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T23:39:29Z

Bitcoin block

960166

Canonical record hash

sha256:0e330746fd7da3191a7e23b02935377197856506cc20c74e6fe70204deeba887

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.