The Past

Recording by 張衞帆.

Recording identifiers

ISRC
TWBX32302027
CopyrightID (CopyrightChains transaction hash)
0x03cb9a95e090cdffc7eed68534264c5bca1b23bf492d8a565618ed0500fbd2a6
Copyright registration time
2026-07-07T17:04:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:35a16e3227155b2fb23ed57f6e14e879d16ce5f6851b8c8092d8ef33bca3da93

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.