双标

Recording by 于冬然.

Recording identifiers

ISRC
HKG732513573
CopyrightID (CopyrightChains transaction hash)
0xa7102ffb1e6bcfa7c36a2283e383dfe00028e0d8c0bb7bc07158c3256f531951
Copyright registration time
2026-06-07T04:17:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:1d56ed1d864080f742e9868ae4806298da780596a1b8abbd283b4bac3ae37b69

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.