ISRC USSM10405488
Verified recording
USSM10405488 is “Boris Godunov: Opera in Four Acts With a Prologue: Act II: "Phew! I feel terrible! Let me catch my breath"” by Modest Mussorgsky,
registered on the CopyrightChains blockchain with CopyrightID
0x99f3eac03edf0f45684972185164076fba7afa53575c56b36471927bdc2e86fa and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10405488.
Recording identifiers
- ISRC
- USSM10405488
- Title
- Boris Godunov: Opera in Four Acts With a Prologue: Act II: "Phew! I feel terrible! Let me catch my breath"
- Artist
- Modest Mussorgsky
- CopyrightID (CopyrightChains transaction hash)
0x99f3eac03edf0f45684972185164076fba7afa53575c56b36471927bdc2e86fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c0621f8c45a93c9f56a7f6fe4ab0d3c28232637e3037f2de67488c4b00eee7a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10405488
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Boris Godunov: Opera in Four Acts With a Prologue: Act II: "Phew! I feel terrible! Let me catch my breath" · Machine-readable JSON-LD