競技場

Recording by 曾詠翔.

Recording identifiers

ISRC
TWJK12200195
CopyrightID (CopyrightChains transaction hash)
0x55cdfd353b7ddcd3a15157cc710e5db511c9fc0b2406aef60f5ee9a57be774b0
Copyright registration time
2026-07-07T17:05:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:fb319fe2240fd0c6e58a4eb3b7410544c6a98ef76e7fc6c50c6b407578572d88

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.