Twice

Recording by Catfish and the Bottlemen.

Recording identifiers

ISRC
GBUM71600835
CopyrightID (CopyrightChains transaction hash)
0xe1556c19d529c15a4f38bf2c7e13c6377af6821212cd7de6cfda9a6ca283587e
Copyright registration time
2026-07-07T16:56:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:ddcca0b76a4c01c5e6f785d0e347949bde1444b134f3cc19e05580fa1f0fc123

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.