Hostage

Recording by Sia.

Recording identifiers

ISRC
USRC11400973
CopyrightID (CopyrightChains transaction hash)
0x6236d587169136c46ce8fa164ab7d59806ee185bd7b7a103baecf39567b4df3e
Copyright registration time
2026-06-05T07:43:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6a672f08cfee29127b8e2e6f0f0587d2ca666b1113cf282c22081c31846e5a77

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.