OT-2026-000028539
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000028539) never changes.
Identity and time
| Publication number | OT-2026-000028539 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7e36-b7ca-4a99c4e50e12 · 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-2026-000028539 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0cbabd2a359ee7e56cb615ecfb0796d893beb83e97565843e4e099b81b83c099 |
|---|---|
| Markdown | 74887f4ed8439a69b0c190026dbfe0367ddb4cad68051c50ce8b62407ab80cfd |
| Publication page | 068c73c14cc2eced67391e7c3564e1331aa07db2b87887d03a8898794206354a |
| Manifest | 6d262003cd7b06b449e0d770082b8f9dbd7e1fc00e82a882484fc0d0d663a0a8 |
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 | 3BUwJXfzfHt5+lj0ia+sUpkVk30QuI47TMOWVrENzo2iVE5HYTIRWfvYdqqRJaOZbuRoRLmPxGZgU8mf0vE0Dg== |
| 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
| 2026-09-17T11:40:48.890903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028539observed 068c73c14cc2eced67391e7c3564e133...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.871427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028539/manifest.jsonobserved 6d262003cd7b06b449e0d770082b8f9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.851246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028539/publication.mdobserved 74887f4ed8439a69b0c190026dbfe036...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.830672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028539/publication.txtobserved 0cbabd2a359ee7e56cb615ecfb0796d8...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. |
|---|