Heyr, himnasmiður

Recording by Þorkell Sigurbjörnsson.

Recording identifiers

ISRC
ISCRU1000713
CopyrightID (CopyrightChains transaction hash)
0x4f8c740474ab1352aaadedc5f18255f0b79f16f42a3f7bdc01ec55c241b3dbb5
Copyright registration time
2026-07-07T21:17:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4cce2f003c9280fe6f1ff4dc2741474ee9ff1565887ac7a0934eef3fa3b1914c

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.