OT-2026-000061493
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000061493) never changes.
Identity and time
| Publication number | OT-2026-000061493 · never reused |
|---|---|
| Internal UUID | 01a0ae8b-7b44-7510-b2c0-6c414514a72a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:46:11.808334Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000061493 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b7bcfae96f7c9983205fc0efc94fe29add8c1ee583fb135031cb030585fa52f |
|---|---|
| Markdown | 973431a5c9c11f236d6a03dd573bd2bb3d2b16cff8be6ff5188e208350634256 |
| Publication page | bba416aefab7abf9c81f0d138d8deee3b44246232af60925e1e649102de561f4 |
| Manifest | fca87fc24ae86a8177165b2abf47c2ffbc44b9452d64b08337dc4f77667cdb68 |
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 | vag6QSvJ/0Hpl4Pec1marZoAMWuFx92clePqoHh3H2fUF9iCyX23d7NjaFD2vGy1AgSIMYRrgztnCiMs2UclBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:41:23.131361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061493observed bba416aefab7abf9c81f0d138d8deee3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:41:23.112926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061493/manifest.jsonobserved fca87fc24ae86a8177165b2abf47c2ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:41:23.095224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061493/publication.mdobserved 973431a5c9c11f236d6a03dd573bd2bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:41:23.076794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061493/publication.txtobserved 3b7bcfae96f7c9983205fc0efc94fe29...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. |
|---|