Mortar

Recording by Hildur Guðnadóttir.

Recording identifiers

ISRC
USQ4E2201060
CopyrightID (CopyrightChains transaction hash)
0xdb4b5fc9857e45cc3439fbcff7c4900375dd129100e512a475963684ec796c31
Copyright registration time
2026-06-17T22:11:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7f7ecda5b7a39bcaaeeaede2993f3a69d71f1e7e82606f8b7b51a047d3a924b3

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.