OT-2026-000003952
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, pump fed, pressure verified
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-2026-000003952) never changes.
Identity and time
| Publication number | OT-2026-000003952 · never reused |
|---|---|
| Internal UUID | 01a0a90b-913f-763b-ba9b-9eca2c0e5f64 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:22.721958Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003952 |
| Status | PUBLIC |
Content hashes
| Canonical text | c3a3632294b12f9c3e0ffe172827dd6f7c3f97a554c8f48172cc58ca3642e40e |
|---|---|
| Markdown | 9241a79fcc0bcab4f420555c6e2693c6a4c600c01b4ca40729ff85f4913aecd0 |
| Publication page | 0f9294e334e2dad2606ab6809566127bf0330a858954e30d64be2ad23735db79 |
| Manifest | 1b71e95484e4826c009c114e642b4eccdd32375ac6d6786b7db70b88eeeaea59 |
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 | ZZ13SOE7w7JbUp8rB4fPAyuy0H1Q+EG+K2ck0HaFcFiUn+p7EbCU5OVwo6JiUU3wrwF6KULAM5yyVnlJeql5CQ== |
| 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
| 2026-09-16T07:10:10.270296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003952observed 0f9294e334e2dad2606ab6809566127b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:10.256141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003952/manifest.jsonobserved 1b71e95484e4826c009c114e642b4ecc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.241007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003952/publication.mdobserved 9241a79fcc0bcab4f420555c6e2693c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.226515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003952/publication.txtobserved c3a3632294b12f9c3e0ffe172827dd6f...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. |
|---|