OT-2026-000020887
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000020887) never changes.
Identity and time
| Publication number | OT-2026-000020887 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-763f-a8aa-4c7adf978a19 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49cf065fc32e79c034d04cf26d91806c61014d8159c0dfb0bb416ba0116dd23c |
|---|---|
| Markdown | 3b6bf7c1fac2aa901ba89e6e179daab6ff5410d24b0260a7ac27468a6b5afbcc |
| Publication page | 4a5f97a19c3f20c6e11685e0f863126306494141ea959ed8d2592d09e1335415 |
| Manifest | 4c7ed18fc312c625d0f44c299c8520a6afa34f5a1d9df0dce4e00f0ae90e648b |
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 | jS+4YFG7Z57o9IcrhGXLOByLO9w0r1IeFxXwz5R1+oCRlL3Rc8Xq4PjdrBY/c7slg3dMJ5c22BfnMYt4JPPiCw== |
| 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
| 2026-09-17T11:55:59.946737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020887observed 4a5f97a19c3f20c6e11685e0f8631263...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:59.928897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020887/manifest.jsonobserved 4c7ed18fc312c625d0f44c299c8520a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:59.911727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020887/publication.mdobserved 3b6bf7c1fac2aa901ba89e6e179daab6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:59.894116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020887/publication.txtobserved 49cf065fc32e79c034d04cf26d91806c...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. |
|---|