OT-2026-000069928
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented before set-down, on a tool changer
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-2026-000069928) never changes.
Identity and time
| Publication number | OT-2026-000069928 · never reused |
|---|---|
| Internal UUID | 01a0ae91-1860-7c05-8610-40935f022b66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:52:19.726120Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87dd2af54c645fc8f385dc49e07409910d9e9d85645161c61a7acb27e6e7dd8c |
|---|---|
| Markdown | 2813452f2b307d3bf60967e9b2de2d65d7ff495166ecb2090f3a96c39a0df37a |
| Publication page | a1391ad2de59c8f6e3ab61d87db939c124e50d6438a0509d9b8b864a04059c95 |
| Manifest | f3bb993894450054b3534059255a272e378de733534b6582bc35eef3c896d3e2 |
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 | cpAuRsRHvX5wm7geVItICvVJ8/E8H+/G7x5b5qrBQWcaMlJmA9wl6RG9IDPJaBX4NlG794+pCK5pEivU5pMgBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:26:52.031525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069928observed a1391ad2de59c8f6e3ab61d87db939c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:26:52.014134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069928/manifest.jsonobserved f3bb993894450054b3534059255a272e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:26:51.995976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069928/publication.mdobserved 2813452f2b307d3bf60967e9b2de2d65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:26:51.975729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069928/publication.txtobserved 87dd2af54c645fc8f385dc49e0740991...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. |
|---|