Back Then

Recording by 1K Phew.

Recording identifiers

ISRC
QMTND1101360
CopyrightID (CopyrightChains transaction hash)
0x3b1f289db059b7658be747329d55666d6b173ace8a390ed1df8c93690db5780d
Copyright registration time
2026-06-18T13:40:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:95a75aeafe53918d5d9fb5c52a3dcc634b098d2c61a072e9c5a3a7d5833f6fb5

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.