OT-2026-000003844
Publication integrity record
Porous face vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000003844) never changes.
Identity and time
| Publication number | OT-2026-000003844 · never reused |
|---|---|
| Internal UUID | 01a0a90b-3aa5-717d-9d31-32745963878e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:00.552051Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003844 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2a8cbac6c515428e907c5194077d978711e5168590f87675163ab861506ca87 |
|---|---|
| Markdown | 287a859b924df2195845a55f5e517e0925be6bc29424f5839be1ca8e3171f52f |
| Publication page | 6f08c6a1c40964e77f1c21786d1ba2aa9e526281566c7452c45eea64ccf56bd6 |
| Manifest | 65bf329c92e78b1f936b04601e1bb64b55e2643379519c44e76bf016671546cb |
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 | ubkFRuzAiNDW5+rcqJugHZ4v+Z4bGc6DI27bHzIRg71i+8Y0B5QS9MwdB8DoOKHf1DCnahT63uQ7WasID65BBg== |
| 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
| 2026-09-16T07:10:16.959542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003844observed 6f08c6a1c40964e77f1c21786d1ba2aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:16.946489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003844/manifest.jsonobserved 65bf329c92e78b1f936b04601e1bb64b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:16.932458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003844/publication.mdobserved 287a859b924df2195845a55f5e517e09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:16.920035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003844/publication.txtobserved f2a8cbac6c515428e907c5194077d978...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. |
|---|