Immigrant Song

Recording by Led Zepagain.

Recording identifiers

ISRC
USHM20553312
CopyrightID (CopyrightChains transaction hash)
0x2bfabbee4e8ef68d41dddf8f0f373d75442edbb0620ee09ba4b2f89da7e27de0
Copyright registration time
2026-06-06T07:44:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9f64b412843e8319e384ed7d3a41e149208d9c725d05185e14f3694e2daf7087

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.