ISRC DEF057503625
Verified recording
DEF057503625 is “5 Polonaisen Wq. 190: 5. Polonaise in D major” by Carl Philipp Emanuel Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3206cb239dc9e50c468b245c24e46477421dbf0080452aae21cd731a22c5b1a1 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057503625.
Recording identifiers
- ISRC
- DEF057503625
- Title
- 5 Polonaisen Wq. 190: 5. Polonaise in D major
- Artist
- Carl Philipp Emanuel Bach
- CopyrightID (CopyrightChains transaction hash)
0x3206cb239dc9e50c468b245c24e46477421dbf0080452aae21cd731a22c5b1a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2460851c28664356e7638db353df4f959806e0300637707091cd20fcac19dd7f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057503625
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 5 Polonaisen Wq. 190: 5. Polonaise in D major · Machine-readable JSON-LD