誓い

Recording by Amamiya Sora.

Recording identifiers

ISRC
JPX401800033
CopyrightID (CopyrightChains transaction hash)
0x125d0f344216659c27b3ccf1fde0ebdb1e1d618e0c145ad4ce3e86b8f1562ffc
Copyright registration time
2026-06-06T19:53:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:db9acabcfa868bbe2e68584474b78f6ac8df0a1620b39f93fd9996f18b8c10f4

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.