Vliegen - Edit / Live In Nieuwe De La Mar, Amsterdam / 1971

Recording identifiers

ISRC

NLUM71500304

Release date of the album this recording appears on

1971-01-01

CopyrightID (CopyrightChains transaction hash)

0xb0a4f19b7961f62623f655c9b2472c4bb6e0fa653f79dd15d1ee7e2d98770b35

Copyright registration time

2026-07-31T03:19:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T04:14:58Z

Bitcoin block

960344

Canonical record hash

sha256:cf744c2f94226af66daffa511ae1ef31ad585e672c1e78d7927f2d8df903df5c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC NLUM71500304

What this proof establishes

This recording was released in 1971, 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.