OT-2026-000028899
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028899) never changes.
Identity and time
| Publication number | OT-2026-000028899 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-764c-a7e0-c9e69ada0040 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028899 |
| Status | PUBLIC |
Content hashes
| Canonical text | 045a13cdf3996e7ed8679a9e51abeb6ec322458532e6ba19b05c017a5ab23c44 |
|---|---|
| Markdown | 7328f58c1367114ba6c680f7cc65d153060892467ed2d1c5f11af2fe44b85488 |
| Publication page | 784d579769227c64c0ada423344be0f08d80bdd4fd780e6b2e3b6144e79c5a53 |
| Manifest | 7639006b1717c30d846cc87eea847a76306aaf9e0cc169d7649c710b14da6b73 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 0ayyCgpM8Hne0NtdTWNlKpMDrYoJyNs6DctAs9+R29s/dx2BKtIHMs8x2jYVr7Nf58lyvinVgTwyTQnlaM6qAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:16.950186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028899observed 784d579769227c64c0ada423344be0f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:16.930145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028899/manifest.jsonobserved 7639006b1717c30d846cc87eea847a76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.782177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028899/publication.mdobserved 7328f58c1367114ba6c680f7cc65d153...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.760386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028899/publication.txtobserved 045a13cdf3996e7ed8679a9e51abeb6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|