Ketchup Ska Prutta

Recording by Petra Rydgren.

Recording identifiers

ISRC
SEVGT0403507
CopyrightID (CopyrightChains transaction hash)
0x61cdf9ba5c0a67f0b68cd183ed7aeeff14d6570f6f347f1c84be905d34774b13
Copyright registration time
2026-06-11T04:00:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:b2a74fde07e9e8423db52fd9a0ee3b4a38e179bb8e5d4172021c032ea12f67ca

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.