Brevet

Recording by Helge Borglund.

Recording identifiers

ISRC
NOUM71101589
CopyrightID (CopyrightChains transaction hash)
0x9ac14a6bd8d712ded44c5b154b829c3a5ef7554ad39c275605b7a60265ee340d
Copyright registration time
2026-07-06T21:24:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a579fe1159746db1537e519d17cfd112f3e994213245964f01f8e0ecea018650

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.