An Unusual Prince / Once Upon A Dream

Recording by Mary Costa.

Recording identifiers

ISRC
USWD10423452
CopyrightID (CopyrightChains transaction hash)
0x73962fb8fa7ecfe17db6fae2b0aa1fbaccbf5d5a31292d6519741cc398c45684
Copyright registration time
2026-06-04T16:24:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:96ed71f3f0cb3f4dfaf1849362b1e59bc266c64314711f6da078746885d6053b

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.