Halcyon

Recording by William Duhamel.

Recording identifiers

ISRC
SE5IB2000086
CopyrightID (CopyrightChains transaction hash)
0x224608b9ee0781969de43cf6a2d0c44a8118b1070df92111405dd66b8e9b79d4
Copyright registration time
2026-06-24T03:55:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:acbf8f0e531ad400dc1da92073b9f42bfe8397578fd7592688a7172682befe98

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.