Royal Orleans - Reference Mix

Recording by Led Zeppelin.

Recording identifiers

ISRC
USAT21500156
CopyrightID (CopyrightChains transaction hash)
0x7a2fdc35f25989466255f4bd7f9f8e21954bcb11f729eaa92086ede5579f1608
Copyright registration time
2026-06-19T20:56:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:12df9649c95fe92a061a2544ac924e93c335af0211bdf0600e90fbe5b9f2e470

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.