Opening Act II

Recording by Rodgers & Hammerstein.

Recording identifiers

ISRC
USQX90800477
Release date of the album this recording appears on
2009-02-03
CopyrightID (CopyrightChains transaction hash)
0x71dd1dabc6eae8d57143526cda0b6f00fe189ce1a5bda8fa49f6773fec6a6685
Copyright registration time
2026-07-30T21:13:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:0d8005fd28c8d9b2ee9d2d663757c4f17b4aa43c21ab7ff608d8dcd266c1146f

What this proof establishes

This recording was released in 2009, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.