OT-2026-000028863
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000028863) never changes.
Identity and time
| Publication number | OT-2026-000028863 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-79bf-a08d-c21770516506 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028863 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91fba62ed147783457e0fb23d6059918940644b258144d2bdadf64dd2e247b4c |
|---|---|
| Markdown | 90a5f9cadd7ee347637ef26511f2c5aaf912934a21199b103e27a8f4de9e6045 |
| Publication page | 4c3e03c858778bbf973496c47b7c7c1ddea7b1f3a648fbddda2115e4af34a754 |
| Manifest | b3b58d6f0692d4f1ef5a54ca23801f9e953885fa6ef695f5940b994ac99479c5 |
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 | C1zpLYraDqRzlIGFYR1JjlVRGNRyMv07TcoSwIQDp56CjmM9rx4afFYV126d299dgXH30kMbRQ7Uebj1b7QrBA== |
| 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
| 2026-09-17T08:20:11.506536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028863observed 4c3e03c858778bbf973496c47b7c7c1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:11.486044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028863/manifest.jsonobserved b3b58d6f0692d4f1ef5a54ca23801f9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.467635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028863/publication.mdobserved 90a5f9cadd7ee347637ef26511f2c5aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.447973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028863/publication.txtobserved 91fba62ed147783457e0fb23d6059918...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. |
|---|