Speak Up

Recording by Hildur Guðnadóttir.

Recording identifiers

ISRC
GBUM72205375
CopyrightID (CopyrightChains transaction hash)
0x9468c0668bf98c41c31551c1504b5deb31fa0de713b50653251e54108c5a8643
Copyright registration time
2026-06-11T15:56:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c2b575834e2f7b3563a84a2ca02aa1f1723f393d453c52d4f8aa2f6a175a320e

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.