OT-2026-000077029
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000077029) never changes.
Identity and time
| Publication number | OT-2026-000077029 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b071-71e1-8d14-2dbb78ed44b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077029 |
| Status | PUBLIC |
Content hashes
| Canonical text | 128b0c1fb063d94c37230ec4bc79ad4f79b3e0d180078c81f9ff6c6ae3e6f578 |
|---|---|
| Markdown | cac2e4774bfbe4c252c0bf3e35d854f0e2a84f563a7c5d318111c59fc4ff69ca |
| Publication page | 4b26f52f0e321ec74dbf710735baaa954c42c6155e5c69d0a99377b4fe761578 |
| Manifest | 4877f2ddf498fab37a72fad7eb6cada38caf2975ef326d521acf202d7b334096 |
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 | G3zO/fmOFv2Ybba2bjzc4byIF/IZ8bHMOPSCiaHJyz2tDX8EzHzWkw0Uogbo2g2Yd3qJMUWnd0rffJMJqPiXCw== |
| 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
| 2026-09-17T10:10:26.737611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077029observed 4b26f52f0e321ec74dbf710735baaa95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:26.716533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077029/manifest.jsonobserved 4877f2ddf498fab37a72fad7eb6cada3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:26.694357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077029/publication.mdobserved cac2e4774bfbe4c252c0bf3e35d854f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:26.294261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077029/publication.txtobserved 128b0c1fb063d94c37230ec4bc79ad4f...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. |
|---|