這是最後一次

Recording by R-chord.

Recording identifiers

ISRC
TWA531579704
CopyrightID (CopyrightChains transaction hash)
0x2de2b8b725abaf152cc3965b6459b705a14678fa9d9706a0008e3c324345ec5d
Copyright registration time
2026-06-05T17:33:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ca3d6f547077679cef2c7882997a4cce366f3897804f5a308ae97290aa31d0ff

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.