長途電話

Recording by 風籟坊.

Recording identifiers

ISRC
TWJ731000005
CopyrightID (CopyrightChains transaction hash)
0x7d4c43970cf53bff362c527a257b2ff14d8632d0a677790041201b98b4c5ede9
Copyright registration time
2026-06-26T14:42:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:999cccb0ba67f38e8193e1bd9760ead2810074481efd0cbdd4ac396c8d93c0f5

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.