Today Tomorrow

Recording by Sponge.

Recording identifiers

ISRC
QMFMF2330922
CopyrightID (CopyrightChains transaction hash)
0x8229c5346cf1c89b98f3c8fdb38fdf8d04bd4a8479b588018c998b919be79c30
Copyright registration time
2026-07-07T15:42:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:2660eabeb2144810c38fe0a26945e726b5d8563f9b5a3e9cd18f11202b3b926c

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.