Havel

Recording by Billow Observatory.

Recording identifiers

ISRC
QMGEB2006707
CopyrightID (CopyrightChains transaction hash)
0xf413cdb1c6e6c674580fbeedb5c7114fbe54ccead7ec2ef0913fe9f6a85116b6
Copyright registration time
2026-07-29T16:42:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:5e14c710f1f2d9451d2d74ad6675eaea5c577995d8e4d65587413c94985cf274

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.