Heard That Before

Recording by The September When.

Recording identifiers

ISRC
NOAGW0500082
CopyrightID (CopyrightChains transaction hash)
0x5da616a3039193d674190fcfa4e63e431482322d39a884804a30bc94003911fb
Copyright registration time
2026-07-06T08:29:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:b32222052b56142e1de9ae6253209f3388b44b8e076f360c14eac41f049bc558

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.