Nightbird

Recording by Eva Cassidy.

Recording identifiers

ISRC
USA441509020
CopyrightID (CopyrightChains transaction hash)
0x697a377a4c09f33bf10b4905726c74bfb3412a97e06ae1222776dfd47d4631f0
Copyright registration time
2026-06-06T21:28:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:b034e6cb71a3c2b652f4685543160416393d0d3b438da8bfb0d84d7c509a9f7e

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.