ISRC DEF057530620
Verified recording
DEF057530620 is “Die Fledermaus, Act I: No. 1b, Duettino. Ach, ich darf nicht hin zu dir!” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x0aa004a99821f944cd0081305770ba03c1f480fbe1f5ec03782e3557304e3c22 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530620.
Recording identifiers
- ISRC
- DEF057530620
- Title
- Die Fledermaus, Act I: No. 1b, Duettino. Ach, ich darf nicht hin zu dir!
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x0aa004a99821f944cd0081305770ba03c1f480fbe1f5ec03782e3557304e3c22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:1fee413173a470402599bc9d5a1a96c32e491a3c1f37f681ce0c69c7c0b3c73a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530620
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Die Fledermaus, Act I: No. 1b, Duettino. Ach, ich darf nicht hin zu dir! · Machine-readable JSON-LD