The Crunge - Remaster

Recording by Led Zeppelin.

Recording identifiers

ISRC
USAT21300893
Release date of the album this recording appears on
1973-03-28
CopyrightID (CopyrightChains transaction hash)
0x10183c44f63301fd718d1c325e1e3b7a719f3eb4ab70d3b57d554105959559cb
Copyright registration time
2026-06-04T10:52:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a8508ebad540baed43fa8f7ff30bd713247f4310bf78723e0bce205fcb4cceef

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.