OT-2026-000021516
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000021516) never changes.
Identity and time
| Publication number | OT-2026-000021516 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-79ce-9c7b-de30198f4165 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021516 |
| Status | PUBLIC |
Content hashes
| Canonical text | 552f14c291edcdbb0a87e7ba94ef595f92bdfa9082e5cef637ad67d2e5f2447e |
|---|---|
| Markdown | dada3b3b3962a050027a40d1b6741b17afded55fbc0b023f1b4e079364efa0ff |
| Publication page | 5f8a9dbaeebd548da0f9bcc4d239142e891aeae06b44a57484b2488df485439a |
| Manifest | ba738eb3c7e71764929158922ac0c8e3f05be3be044d0f1b5791fffaa8b4135f |
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 | 4qym51JNMvSh3jYHckh23yyumlCfL46KydUHMujFiXFUl3KJstfuly3cfupCwJdzQkthQ+ty6hzQ1uwEjAXqDA== |
| 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
| 2026-09-17T11:55:25.996987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021516observed 5f8a9dbaeebd548da0f9bcc4d239142e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.976463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021516/manifest.jsonobserved ba738eb3c7e71764929158922ac0c8e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.957501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021516/publication.mdobserved dada3b3b3962a050027a40d1b6741b17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.939870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021516/publication.txtobserved 552f14c291edcdbb0a87e7ba94ef595f...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. |
|---|