Slåttarpolsen Hans Johannes Tronsmo

Recording by P. A. Røstads orkester.

Recording identifiers

ISRC
NOHLM1101030
CopyrightID (CopyrightChains transaction hash)
0x14a8b0d952291ef79e51ed92f91135af1eee26889a6adef3d565a797a76e2cfd
Copyright registration time
2026-07-31T16:14:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:33:26Z
Bitcoin block
960435
Canonical record hash
sha256:7f02c2611757e47c544c7239f122ba7755a6476b35161fe8423b830599a6a45a

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.