OT-2026-000004342
Publication integrity record
Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed, pressure verified, contact triggered
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-2026-000004342) never changes.
Identity and time
| Publication number | OT-2026-000004342 · never reused |
|---|---|
| Internal UUID | 01a0a914-92e8-75e7-ad49-f686a1e4d77d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:12.970833Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004342 |
| Status | PUBLIC |
Content hashes
| Canonical text | 703204ea9e990c4781ee517208a8d31536333182fcc7650410687ad81c6e0cf4 |
|---|---|
| Markdown | 8975fe38d9b0c71b0d59d4e8a4f9962b89e3881a20ccfb2e1e260a567ccef675 |
| Publication page | ab9a5a93060613800b3c30528b438cb5ecbc7f5209ea00e7fc49166ec3d0de20 |
| Manifest | 2eec4332be5ce09e1230bbe36d2eb009bc84389d9957f288f44e87455e79d686 |
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 | UmOKTghGQGv3gLNrNpf7hppP/MK75fjdhyR6I4YhQVgRIbWzdUZhZ9NH0EVXlFQbCIM4qcZCYXyWWX1ofU61Dw== |
| 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
| 2026-09-16T07:20:08.720314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004342observed ab9a5a93060613800b3c30528b438cb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:08.705808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004342/manifest.jsonobserved 2eec4332be5ce09e1230bbe36d2eb009...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.691257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004342/publication.mdobserved 8975fe38d9b0c71b0d59d4e8a4f9962b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.675161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004342/publication.txtobserved 703204ea9e990c4781ee517208a8d315...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. |
|---|