前後腳

Recording by Hacken Lee.

Recording identifiers

ISRC
HKA610200055
CopyrightID (CopyrightChains transaction hash)
0x04d20c850f7d25d5d437a5b04d77cea54656df31aacf8161f7637cfdbad6b624
Copyright registration time
2026-07-07T21:22:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:6fe97071fcbe3386e1174a14444c9a47000179f5e11f1b586eac30b9f939fede

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.