OT-2026-000028390
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000028390) never changes.
Identity and time
| Publication number | OT-2026-000028390 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-78a5-a5e8-a37e22c941c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028390 |
| Status | PUBLIC |
Content hashes
| Canonical text | ac5962a0e11be09e351faf0cbcdf13c9e9fb6b325010dfbde39e80429fd99b1f |
|---|---|
| Markdown | 6ad84cbbb4ae0b10dfc665f2c7ca53586deeb357ea8f848c062f6b9bc6d02ab5 |
| Publication page | ca1c34b4d182282b61e97da20b24d25d22eb640301268bdf8c890a2985f311ce |
| Manifest | 50ac1abac3bf550515ac2d2d3a7c5415faf4fc3ad0052d1aa253fff0c905c248 |
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 | 24wCkjpCQWG/eFx9Ucn8T/N4D226Ssm8Q92SCu7UHJxkIWrFPK9c5/QHCBgW75VkuAJ7gWOROoKBKJdcqiq5Bg== |
| 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
| 2026-09-17T11:40:24.494732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028390observed ca1c34b4d182282b61e97da20b24d25d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:24.473537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028390/manifest.jsonobserved 50ac1abac3bf550515ac2d2d3a7c5415...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:24.454885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028390/publication.mdobserved 6ad84cbbb4ae0b10dfc665f2c7ca5358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:24.435227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028390/publication.txtobserved ac5962a0e11be09e351faf0cbcdf13c9...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. |
|---|