ISRC USAB10916423

Verified recording

USAB10916423 is “Ruddigore: Act II: Opening: "I Once Was"” by Sir Arthur Sullivan, registered on the CopyrightChains blockchain with CopyrightID 0x6ac1f599f4375ccd2f0591be020e8e090c2b2f52196d828e98620cc429e0c027 and independently timestamped in Bitcoin block 960403 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAB10916423.

Recording identifiers

ISRC
USAB10916423
Title
Ruddigore: Act II: Opening: "I Once Was"
Artist
Sir Arthur Sullivan
CopyrightID (CopyrightChains transaction hash)
0x6ac1f599f4375ccd2f0591be020e8e090c2b2f52196d828e98620cc429e0c027

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34+00:00
Bitcoin block
960403
Canonical record hash
sha256:3ae0893ba25adf1ceaf60f6bdb035d99f10356bc3aaf0c71690499aea11e9ea9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAB10916423
Bitcoin block existence check
https://blockstream.info/api/block/960403

Full record

Track page: Ruddigore: Act II: Opening: "I Once Was" · Machine-readable JSON-LD