Vogelvrij

Recording by Big2.

Recording identifiers

ISRC
NLS242100039
CopyrightID (CopyrightChains transaction hash)
0xf77a09e746f4a132ed77edebfbe1c8dacb0d34667f3a958ab74cd34436fae931
Copyright registration time
2026-06-05T22:07:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:818adc700feb82199e830fbfeba6cfbd6b3eb1085e2749f5b1790273fb691f52

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.