OT-2026-000099721
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000099721) never changes.
Identity and time
| Publication number | OT-2026-000099721 · never reused |
|---|---|
| Internal UUID | 01a0aea2-c977-78ef-b351-d67755dc2c1d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:11:39.138466Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000099721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7dbfcb3bf881492093f896d9f8154660542c8469a10ee627df347a0fd71098c9 |
|---|---|
| Markdown | ae6c62ae0564e6a797c172f389a978be6caad334d303477a09efff82b860b703 |
| Publication page | 1511092d58125427bc560842afd68d5d11d9dca42fce340c541cd51d696236c5 |
| Manifest | b802c51e2b9ecf72dc1d4d533a2516a464923b5e4de9a9017a3a198389a68b28 |
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 | i3tV1XjTzYhFqASyTnl4EvslZ6qLvVq74y96hpoj/+8W52QhmaDi+cl65ie8XRvJBb4S5mOqWFZZPnfnSg6hAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:29:44.477458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099721observed 1511092d58125427bc560842afd68d5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:29:44.459042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099721/manifest.jsonobserved b802c51e2b9ecf72dc1d4d533a2516a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:29:44.442083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099721/publication.mdobserved ae6c62ae0564e6a797c172f389a978be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:29:44.424855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099721/publication.txtobserved 7dbfcb3bf881492093f896d9f8154660...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. |
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