OT-2026-000004042
Publication integrity record
Vacuum cup gripper, common isolation valve, three outlet manifold, 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-2026-000004042) never changes.
Identity and time
| Publication number | OT-2026-000004042 · never reused |
|---|---|
| Internal UUID | 01a0a90d-1b7e-7219-a8a4-fd8885d8f75a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:10:03.649041Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004042 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e50da4cc015b92c5d902075100e7a85fb65c14775d0897d4066b19dc601cfeb |
|---|---|
| Markdown | 6bf4f417ef1e9b6d0f91fa91796d2a7d72a841d13726207eef2317fc17b2763b |
| Publication page | 532f12a908c6b6fbf31af16731d1d3234d4bd070a93580c1ae95a284124805dd |
| Manifest | 4f4b3a16ec3398b6c3f88d8f6deb59a83b7c089ecdb1129471287bca2dae7f50 |
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 | nxa/9SRV9PB87nuckSD3/J9H2dg9pAv2oORVlhKHca9IqXHPuCrbPc+5KhlP67cRFc5tU5ch1C9+aEta++b8DA== |
| 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
| 2026-09-16T07:40:34.879923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004042observed 532f12a908c6b6fbf31af16731d1d323...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:34.742575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004042/manifest.jsonobserved 4f4b3a16ec3398b6c3f88d8f6deb59a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:34.730564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004042/publication.mdobserved 6bf4f417ef1e9b6d0f91fa91796d2a7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:34.716829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004042/publication.txtobserved 9e50da4cc015b92c5d902075100e7a85...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. |
|---|