Bakvänd kikare

Recording by Stefan Sundström.

Recording identifiers

ISRC
SEXCH1903005
CopyrightID (CopyrightChains transaction hash)
0x2d397bee090c251d23cfffe65c5ff7f7b0be471968f9de14d71a1af87ade25ed
Copyright registration time
2026-07-30T16:06:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:190465fe5b03d426cd64abe8c8b33abd2c285a74835e1b397f1c6df49e77eb13

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.