OT-2026-000075673
Publication integrity record
Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000075673) never changes.
Identity and time
| Publication number | OT-2026-000075673 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-79e3-96cf-bd9a92be9cf7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075673 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e3d10e3823d327160b13ced062b637a321aaaec5d4edc0c9be7b95801535b1a |
|---|---|
| Markdown | a14b522415059dd1993d106a61676d7a2d3ee164facf06d2702ab70053ea16a6 |
| Publication page | 63169b2e7ff658086e2f6e1d069a5209f7e8b71668d76a7ce3f6bc2f25d25e71 |
| Manifest | cbbc7717156c2fa1a0e852962e539c3d62d30a99b7fcdc45ac0aee3012d611d5 |
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 | GZJDp2sRU4W1/w4DZYSY4N7fjIPbZTKDU4dK7XiBhjqMADYWmqP/99spaeqhrvACxgkRytAC2mGOvAGR6LhPDw== |
| 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
| 2026-09-17T10:13:47.513671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075673observed 63169b2e7ff658086e2f6e1d069a5209...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:47.495611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075673/manifest.jsonobserved cbbc7717156c2fa1a0e852962e539c3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:47.477205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075673/publication.mdobserved a14b522415059dd1993d106a61676d7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:47.456567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075673/publication.txtobserved 0e3d10e3823d327160b13ced062b637a...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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