Langs ei å

Recording by Edvard Grieg.

Recording identifiers

ISRC
NOLDA9300110
CopyrightID (CopyrightChains transaction hash)
0x60848d76ddfc6e87699a3c1765603edf7fedee587339db21ba2001717f11f54f
Copyright registration time
2026-08-01T00:52:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:2c83c0628ed7f636cfa7b3ccaac0267c88475e021fe9ebfeef84240723fb0564

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.