Lost Boy

Recording by 5 Seconds of Summer.

Recording identifiers

ISRC
GBUM71402439
CopyrightID (CopyrightChains transaction hash)
0x20032e35b00e126099e7de12288ca71fec3ab148d55a58d8e853534b7b566609
Copyright registration time
2026-06-04T11:34:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:eb7a8f60994f5ec4e436977492babc4ac750a58060366ded90cd491963ee63ba

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.