OT-2026-000028015
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000028015) never changes.
Identity and time
| Publication number | OT-2026-000028015 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-74a7-bb7c-dc8f06d46bdd · 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-2026-000028015 |
| Status | PUBLIC |
Content hashes
| Canonical text | e74196935e2a897ca1b80087b76843f5c31ee46bc409fc7de628c3bc89275713 |
|---|---|
| Markdown | 11dded500f6c77b2a95ca03c63db369be195538886697ba032adf4e9f69b4e5e |
| Publication page | 74ad47d1a6972eadf79133964e06d37427d52e84d2a4319cc006d69e7f1b1893 |
| Manifest | 63b237c65c3e99409516f786cbc75ae9b9a40392cce79d2d854b342a9dcdb0ec |
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 | YYAnoYdXG8LOvPn6EUlPDzyCDoqsQmEkJCQ7QdH79Onk5rp0twWGGh7mo46RXhv5n94bT/GAtPs/Q2QZBJ6TAg== |
| 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
| 2026-09-17T11:42:20.216043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028015observed 74ad47d1a6972eadf79133964e06d374...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:20.169414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028015/manifest.jsonobserved 63b237c65c3e99409516f786cbc75ae9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.148731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028015/publication.mdobserved 11dded500f6c77b2a95ca03c63db369b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.108435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028015/publication.txtobserved e74196935e2a897ca1b80087b76843f5...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. |
|---|