OT-2026-000004251
Publication integrity record
Bellows cup vacuum gripper, three zone face, per zone isolation, pump fed
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-2026-000004251) never changes.
Identity and time
| Publication number | OT-2026-000004251 · never reused |
|---|---|
| Internal UUID | 01a0a912-9d2f-7173-b482-f9ec0993a77f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:04.531330Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004251 |
| Status | PUBLIC |
Content hashes
| Canonical text | 08b5c933ea5bec09b80de2aa43b9b865f309d17f6fd316bb2784b96a2bc9edbb |
|---|---|
| Markdown | 7b38f4aa0746e02be76af534d2521ffde922caa38afe4d44d46a6d46de5461c0 |
| Publication page | 42b7d669b8a3c042ef6c8dfbfa03b2dcb9d273621c90aaa7825e20a9eb2ae2b9 |
| Manifest | 3c7154a3e5fa737bfbb5fffabd80585868ec50a9e2515a30568a6f411e0d365c |
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 | CRhQ1uIlxOBYbSPHuu8mJv3eoL2HQ5mD8b/ld1zlEcM5awuOvD0wCbMEPZX7rHI3up6nYGvzCVfpG99jA0EQCA== |
| 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
| 2026-09-16T07:20:19.149892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004251observed 42b7d669b8a3c042ef6c8dfbfa03b2dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.135624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004251/manifest.jsonobserved 3c7154a3e5fa737bfbb5fffabd805858...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.121142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004251/publication.mdobserved 7b38f4aa0746e02be76af534d2521ffd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.986538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004251/publication.txtobserved 08b5c933ea5bec09b80de2aa43b9b865...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. |
|---|