Nisse-polkka

Recording identifiers

ISRC

FIFSC5700015

Release date of the album this recording appears on

1957

CopyrightID (CopyrightChains transaction hash)

0xf0baff91e767fb1e721e49784b2b28ecaf8b62e4e5c14d30d8a793b1700ee8ba

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T02:19:15Z

Bitcoin block

960334

Canonical record hash

sha256:589525e88fc2d82988503d51b0160bff9e2e2c741eb944e5aee25ebbe10fd330

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC FIFSC5700015

What this proof establishes

This recording was released in 1957, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.