OT-2026-000003975
Publication integrity record
Vacuum cup gripper, two zone face, four outlet manifold, ejector 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-2026-000003975) never changes.
Identity and time
| Publication number | OT-2026-000003975 · never reused |
|---|---|
| Internal UUID | 01a0a90b-a341-70f6-8677-a7096382e857 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:27.331817Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003975 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42e27161c86e90a84f9a2818441988597f2c1b1fcc556e25060d6c43f36054fe |
|---|---|
| Markdown | 44b745884bef2f354f0aa19a303724e4442132ec406180b238880538e1c4c593 |
| Publication page | a9a8bda546fd4e302d9e49246e8fa1a08fa4c4e6fcfd1f13886dc7e766e2fbec |
| Manifest | dca3cbb64b0cc4d99266cc7e6a563c83e284e349aa45eebc7938b5fe22246ef9 |
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 | m+3rfpv0WuCa+Gk4MemMJ2L5WW4USPFf6LWLyxaYmoRyl/+q9iHBGIbxxbma9sjigWSNsBsNwKgFMoQdkE2dBQ== |
| 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
| 2026-09-16T07:10:08.786386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003975observed a9a8bda546fd4e302d9e49246e8fa1a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:08.770382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003975/manifest.jsonobserved dca3cbb64b0cc4d99266cc7e6a563c83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.755511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003975/publication.mdobserved 44b745884bef2f354f0aa19a303724e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.741455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003975/publication.txtobserved 42e27161c86e90a84f9a281844198859...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. |
|---|