OT-2026-000072950
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000072950) never changes.
Identity and time
| Publication number | OT-2026-000072950 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-702c-a33b-b8a2330dd1de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072950 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55ea98b05f4b4c5ab9d659f62f33e5578eeb50ec85ab179220a9dfcada8bb47d |
|---|---|
| Markdown | 4dea4945bb1fa9d2269716885d39b13e704bd168e8020ef87b62a59cde0f5396 |
| Publication page | 25413c11257e749d022e1776e41246491c02ea53579bc97f1c509b031a54ddc2 |
| Manifest | ed9cf4197f88c8e1b10cb838522465651fbc61f6292704074f4d2574def079ec |
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 | eVkYjMEpP2FjE2heVAGEKTucqycpLDAvd2AifHoWHpPYy6nQkivqiP6SEza3TOpFlq4jhMYanbFaV1dwlt0kAw== |
| 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
| 2026-09-17T10:21:52.483750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072950observed 25413c11257e749d022e1776e4124649...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:52.466410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072950/manifest.jsonobserved ed9cf4197f88c8e1b10cb83852246565...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:52.448495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072950/publication.mdobserved 4dea4945bb1fa9d2269716885d39b13e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:52.429135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072950/publication.txtobserved 55ea98b05f4b4c5ab9d659f62f33e557...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. |
|---|