OT-2026-000021983
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021983) never changes.
Identity and time
| Publication number | OT-2026-000021983 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7f9a-b44f-c7d6c9ae60a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021983 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0228e1d55387704da3dd832abde9aa15035af0a4da8863d4539d22c11d686233 |
|---|---|
| Markdown | 7ebd10771d1c0a5ab3d3cebe5e01e37cc0252d8887f80be561282389ae6bceb3 |
| Publication page | cbc2fad1bde512ed39fc4182686338095f6ca27d6af15243c4481250894a8896 |
| Manifest | eafbd048504ddcb227b023fa649618b29e1c3683d8439182d24b41fe29aef156 |
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 | Q+bsgep1d1QPsSFYFHv0iURK35P1JkRTAfI2nH9ME+TB9VKJZwjWOMkWDjXWEcv81QT7VQfeQqI4vIidA9nsAQ== |
| 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
| 2026-09-17T11:54:39.444803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021983observed cbc2fad1bde512ed39fc418268633809...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.428880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021983/manifest.jsonobserved eafbd048504ddcb227b023fa649618b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.411103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021983/publication.mdobserved 7ebd10771d1c0a5ab3d3cebe5e01e37c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.394030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021983/publication.txtobserved 0228e1d55387704da3dd832abde9aa15...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. |
|---|