ISRC USQX91602618
Verified recording
USQX91602618 is “Die Nasswalderin, Polka Mazur, Op. 267” by Josef Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0xd771fec993ab019f86e13da368e7035837aea81600398203ce002abe5c38c97b and independently timestamped
in Bitcoin block 960153 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91602618.
Recording identifiers
- ISRC
- USQX91602618
- Title
- Die Nasswalderin, Polka Mazur, Op. 267
- Artist
- Josef Strauss
- CopyrightID (CopyrightChains transaction hash)
0xd771fec993ab019f86e13da368e7035837aea81600398203ce002abe5c38c97b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:57:12+00:00
- Bitcoin block
- 960153
- Canonical record hash
sha256:c9a5e6d0b90f6eb1b9580bed7049627453f2bfd2727b6d9cc0f1ad41ec36008c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91602618
- Bitcoin block existence check
- https://blockstream.info/api/block/960153
Full record
Track page: Die Nasswalderin, Polka Mazur, Op. 267 · Machine-readable JSON-LD