OT-2026-000003800
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, 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-2026-000003800) never changes.
Identity and time
| Publication number | OT-2026-000003800 · never reused |
|---|---|
| Internal UUID | 01a0a90b-18a1-7b07-8de6-faf5c11da970 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:51.843427Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93b25f9ecf3ad1d6922e3ca6b78640ff33acf5b8f07b2af0ac44312099fc77ae |
|---|---|
| Markdown | 9759e3caf66488147561c0785adec896d2288c761981440109fdfe26bcb198e3 |
| Publication page | 7545fe734575f70924325afc54ac631d448f6f6f735a3370f21b0fc2dc54157e |
| Manifest | de75a72749a6fbb98aff373af0b7a1df9a0f29c1b82b664597c31114f0ee8ff9 |
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 | ojw4UXGdRDk8Q51VWaZPEPLA71yy9OftQWNJeCfmKv1lS0M0Pz5nvWe7Cm1Aji/dpsdYEY6X3wacHuRrATs/Bg== |
| 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
| 2026-09-16T07:10:19.604536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003800observed 7545fe734575f70924325afc54ac631d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:19.591173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003800/manifest.jsonobserved de75a72749a6fbb98aff373af0b7a1df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:19.576377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003800/publication.mdobserved 9759e3caf66488147561c0785adec896...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:19.561599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003800/publication.txtobserved 93b25f9ecf3ad1d6922e3ca6b78640ff...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. |
|---|