OT-2026-000004346
Publication integrity record
Vacuum cup gripper, three zone face, two stage ejector, vented after set down, silicone cups
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-2026-000004346) never changes.
Identity and time
| Publication number | OT-2026-000004346 · never reused |
|---|---|
| Internal UUID | 01a0a914-b329-7c2f-af8b-740e45666d5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:21.229611Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004346 |
| Status | PUBLIC |
Content hashes
| Canonical text | f0b7d63cf665b230bbad8622eebf698e306f4ec198b4d1480fab5f8f7a53d639 |
|---|---|
| Markdown | c00b578d742dd13c22b467dc1443212546fd393b76ba158032ee38c58843b35d |
| Publication page | 981da72fa37f009a7d53575323815fca55952a3fdd93755ccd0cb9c52d9a1cf3 |
| Manifest | 2e5b1b46492cab8ea2a590eeb4685ac8838260f18447da0e549ea57756a2dfd9 |
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 | rZG+B06yH4zxpd3LSvO4yqxJ8OyfdXW2FmIYgYZ73u3uVaAGNnQ+ZpJDvRHlLIuPoil3+KSndED9fhm687w1CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:08.231889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004346observed 981da72fa37f009a7d53575323815fca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:08.217782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004346/manifest.jsonobserved 2e5b1b46492cab8ea2a590eeb4685ac8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.203733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004346/publication.mdobserved c00b578d742dd13c22b467dc14432125...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.190625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004346/publication.txtobserved f0b7d63cf665b230bbad8622eebf698e...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. |
|---|