ISRC GBF077642411
Verified recording
GBF077642411 is “The Grand Duke / Act 1: Now take a card, and gaily sing” by Arthur Sullivan,
registered on the CopyrightChains blockchain with CopyrightID
0x3907004e02e8980e3f6057110246fc75f3817971122ac0e5a9e65b0e3f50197e and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077642411.
Recording identifiers
- ISRC
- GBF077642411
- Title
- The Grand Duke / Act 1: Now take a card, and gaily sing
- Artist
- Arthur Sullivan
- CopyrightID (CopyrightChains transaction hash)
0x3907004e02e8980e3f6057110246fc75f3817971122ac0e5a9e65b0e3f50197e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:01c54c8b343d33ffd4d13a3d448fb48d6aa2f85656b73a64b04d9b087f8ed10f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077642411
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: The Grand Duke / Act 1: Now take a card, and gaily sing · Machine-readable JSON-LD