OT-2026-000028249
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028249) never changes.
Identity and time
| Publication number | OT-2026-000028249 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7df4-8b86-42304402ab04 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028249 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ed5bfeec84f7b680b5b4956601e6d52b8b387b91e7872c65440c166eb21797c |
|---|---|
| Markdown | 246103b1c7d265059d6211ce4ed882b5ca6d110ceef398e0a843659e58adafa0 |
| Publication page | 657c240efab9dcc950e1d23a1600b7af4d0b22b9a77d4c9a65434ca99003f978 |
| Manifest | c93630ad238aaaf4dc92ec2adc50deeeabe0b5090554c50e7b2a6f2f8d744335 |
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 | N2YP6vmGXxOtqTB8HQDrjv0VLuH6Eg11rHJF2Oa/RuvZXKlPlhQYMLfQplvsl2/s2HYmPXOxKRFPpx194rflBg== |
| 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
| 2026-09-17T11:40:07.244612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028249observed 657c240efab9dcc950e1d23a1600b7af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.221860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028249/manifest.jsonobserved c93630ad238aaaf4dc92ec2adc50deee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.202347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028249/publication.mdobserved 246103b1c7d265059d6211ce4ed882b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.182554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028249/publication.txtobserved 4ed5bfeec84f7b680b5b4956601e6d52...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. |
|---|