OT-2026-000028187
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000028187) never changes.
Identity and time
| Publication number | OT-2026-000028187 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7b76-a7e6-cf04f7352d91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028187 |
| Status | PUBLIC |
Content hashes
| Canonical text | 839e8d599b341bcf2e1ac230209661f7ca4bca1a957e2089d15702a398cc1c12 |
|---|---|
| Markdown | b30c115ca6327b00111022582ea5226c8bc6ac0d4e89420b12ec885782711696 |
| Publication page | 19b19ccb8a438151945c5f07c0b4e00715463cc293c229d42cccfdc7e13871b4 |
| Manifest | fc9313f36fa2d38d6b47778c08e41aa198fed17f12c39a386e7052ffc21dd2f5 |
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 | 9l7Kz1Uc7KMOfoRKiXrw1PVaKsxqjf9KXkHUq3HSNPD45A3kvyQ9uZs16STX0KZi+TGYdxL0XjEU8DUEIeKbDw== |
| 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
| 2026-09-17T11:42:32.937471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028187observed 19b19ccb8a438151945c5f07c0b4e007...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:32.921606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028187/manifest.jsonobserved fc9313f36fa2d38d6b47778c08e41aa1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:32.906284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028187/publication.mdobserved b30c115ca6327b00111022582ea5226c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:32.888530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028187/publication.txtobserved 839e8d599b341bcf2e1ac230209661f7...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. |
|---|