失 (Instrumental)

Recording by 姚晓棠.

Recording identifiers

ISRC
HKC372492863
CopyrightID (CopyrightChains transaction hash)
0x83dd91a42eae947e911417aeef5c085584d8a6d8d1a85b7bf940967348da1624
Copyright registration time
2026-07-06T06:17:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:9f16aae23d21d8b64f0f8574065c5be195bcb85b754116d0ebc871544d9f610e

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.