OT-2026-000091724
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000091724) never changes.
Identity and time
| Publication number | OT-2026-000091724 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43b9-739d-836f-e17c44181021 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091724 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53381c16919c60a77009a73992210eab0b5dff575369a38109313275bdad3d98 |
|---|---|
| Markdown | cf1bdef4f8f3897464ae2c0862c11bf03079d29170e655a5172ffda2405cb457 |
| Publication page | 6954f47412fa334b062517ebf1ec4121cc2e0d3c7cfdae74db107b24be188a44 |
| Manifest | c4900c31fab4f47f9ce3e069d8104c25d1606a685b8e1b5483d4f58813ad2ccb |
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 | UWQ9MwvUEadT1gnIzLetjSvp4ANha04Dc9OHktHJK1TmfBa1HjIANPBNTteErStksr5tGuPFkkNt63/X7c0TAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:42:06.946457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091724observed 6954f47412fa334b062517ebf1ec4121...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:06.926321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091724/manifest.jsonobserved c4900c31fab4f47f9ce3e069d8104c25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:06.878146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091724/publication.mdobserved cf1bdef4f8f3897464ae2c0862c11bf0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:06.832821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091724/publication.txtobserved 53381c16919c60a77009a73992210eab...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. |
|---|