Blue Bird / I Wonder

Recording by Mary Costa.

Recording identifiers

ISRC
USWD10834595
CopyrightID (CopyrightChains transaction hash)
0x62a0cfbde0dd2d35d59746c7697ee88ac6390184d4f615e6fe3aa9333d7f2def
Copyright registration time
2026-06-04T15:15:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:928481a56695deb03b3ce6ae2a920618446dc24b674215f1282d46b543fd4c57

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.