OT-2026-000028818
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000028818) never changes.
Identity and time
| Publication number | OT-2026-000028818 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7ff4-abb8-56448230fdc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028818 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8659bd6ed54cf068e3b7f4db0f8aad7fb30cb4e7ed01d9721018bba80d818f7d |
|---|---|
| Markdown | f6ede1c31ac1147883034827afa404c52abba93b834945ea9380632ac5c10ac2 |
| Publication page | b8502a2e7083d7046185656af4a4afd56a5361314f33ab2ec388906ce10a2c8e |
| Manifest | 3f0646cc5c39ca3d5c1da5b4312df3adcd8e618fffd04bd029091bfcf86ac5bc |
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 | 2OE3wJGUZ9Cx/pCH915Zv0x64jaUZuOqdLlvCGpGztcxYNFPhk9fbSYADgKl8TQrYVHPUJdRhaaJc1qt1allCw== |
| 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
| 2026-09-17T11:40:04.979975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028818observed b8502a2e7083d7046185656af4a4afd5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.963430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028818/manifest.jsonobserved 3f0646cc5c39ca3d5c1da5b4312df3ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.947784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028818/publication.mdobserved f6ede1c31ac1147883034827afa404c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.922432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028818/publication.txtobserved 8659bd6ed54cf068e3b7f4db0f8aad7f...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. |
|---|