OT-2026-000003902
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, plant vacuum 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-2026-000003902) never changes.
Identity and time
| Publication number | OT-2026-000003902 · never reused |
|---|---|
| Internal UUID | 01a0a90b-681b-7657-a026-a680a56a62dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:12.190933Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003902 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf053a714ca7ce5c78287ddbea5f4cdf88a4748f05c9e756a9596796b06ede23 |
|---|---|
| Markdown | 1ca65f4974a3599727dde8cacc3a72a6156244900d0f26efe57a83757db056ca |
| Publication page | 5f68d8b35db949ad2bee37401e4dc51f8e336477b1334212c1cb7646225e401a |
| Manifest | 2ce6c35a9ca5007a4ed143116e263095f49edf1ce89b41d2ade70f5f46104a93 |
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 | YReyD4RsfQQ82usaxBptcf3Z9XuDoevo0SLYmtqzwIQ0H+/vUpShh9xuN+Rsb/+0UIOWsH1QzoSPjb+3MQqHBw== |
| 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
| 2026-09-16T07:10:13.322295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003902observed 5f68d8b35db949ad2bee37401e4dc51f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:13.307231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003902/manifest.jsonobserved 2ce6c35a9ca5007a4ed143116e263095...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.292869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003902/publication.mdobserved 1ca65f4974a3599727dde8cacc3a72a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.279096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003902/publication.txtobserved cf053a714ca7ce5c78287ddbea5f4cdf...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. |
|---|