OT-2026-000005181
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, three stage ejector
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-2026-000005181) never changes.
Identity and time
| Publication number | OT-2026-000005181 · never reused |
|---|---|
| Internal UUID | 01a0a930-7b3b-7eb5-a9b8-c9ba72d084e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:48:41.917897Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005181 |
| Status | PUBLIC |
Content hashes
| Canonical text | 546febb4b7f13609541a7c1d8afb1ee0de28b420f8a0a58fc01b2a6de6d8a9db |
|---|---|
| Markdown | f7f349d7d876a2d2f4f244fa2e831dca6f0afbf209c3278389dc8698ec9b829c |
| Publication page | bae78ab5a1988bfd3cbe8fffb497ac5c3ce9fe05f68ae65fcbce2c3d932bb233 |
| Manifest | 66e65eddfbb6a391b9f875ed8e94837fdce74ae150315d31c064c7fc7c6100a7 |
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 | pVMmd7NUJw2MzVgUGKQggRncIRXh0GGuFXiN8gKELmy1ffNw0ruTMQFNSqeif2mR4ma2DitMsH5FCG0UD0j/Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T07:50:06.470916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005181observed bae78ab5a1988bfd3cbe8fffb497ac5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:06.458945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005181/manifest.jsonobserved 66e65eddfbb6a391b9f875ed8e94837f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:06.447335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005181/publication.mdobserved f7f349d7d876a2d2f4f244fa2e831dca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:06.432258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005181/publication.txtobserved 546febb4b7f13609541a7c1d8afb1ee0...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. |
|---|