OT-2026-000028054
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000028054) never changes.
Identity and time
| Publication number | OT-2026-000028054 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7bf1-b1b0-799c42d74c2b · 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-2026-000028054 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2dbc6895f97020ef8dbdc758f47ebf5f89155f2403a4401142e6ac6eaeadad8 |
|---|---|
| Markdown | 4c3a79e1a8378b3d4a29938cbd282eb256744d51077aff813f7cede3e453c186 |
| Publication page | 26ef8986be3ecce8cb5d9ad36759547354b2ace94209e7ce4ac73681254be0e5 |
| Manifest | a892c0ea96eefa4ff6245ffb75dce921a266583f2b6175b8814073913b5a973f |
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 | USknYVnkvYIOSj1MVVnZu5ZxcnG1DqA0GGd8o4IVyQ2rauu9GYbtblw3WJ6n31De5RF+I4SnEOpSM4RvTw9wBw== |
| 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
| 2026-09-17T11:42:23.218669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028054observed 26ef8986be3ecce8cb5d9ad367595473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:23.202359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028054/manifest.jsonobserved a892c0ea96eefa4ff6245ffb75dce921...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.184361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028054/publication.mdobserved 4c3a79e1a8378b3d4a29938cbd282eb2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.167736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028054/publication.txtobserved d2dbc6895f97020ef8dbdc758f47ebf5...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. |
|---|