大杭涌自嘆

Recording identifiers

ISRC

HKC630501776

CopyrightID (CopyrightChains transaction hash)

0xada3ae0960a614015b9b428a4d569a017d4e5d933fe6134ef85660be4951d5e8

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T23:51:35Z

Bitcoin block

960481

Canonical record hash

sha256:5306c07eadc6a2ba46a9b740b2a115c7b77d09eed3a8442b2f040a6f91d4c65c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.