Zomerzon

Recording identifiers

ISRC

NLE320700048

Release date of the album this recording appears on

1973-10-25

CopyrightID (CopyrightChains transaction hash)

0x53a64038b6de76d539ac7eb384b3ca8afa3f23b8fd4c75d27284a14acab62eb5

Copyright registration time

2026-06-07T23:23:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T13:32:09Z

Bitcoin block

953520

Canonical record hash

sha256:8d7548d880eb4515c00873e4d42b662babc5123939993be2039b51eccd154e64

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Download the anchored registration record (its SHA-256 is the canonical record hash above)
• Recording evidence summary for ISRC NLE320700048

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.