OT-2026-000003983
Publication integrity record
Porous face vacuum gripper, plant vacuum fed, pressure verified, pulsed blow off before set down
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-2026-000003983) never changes.
Identity and time
| Publication number | OT-2026-000003983 · never reused |
|---|---|
| Internal UUID | 01a0a90c-6883-7877-9782-ebc7d261486b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:17.832078Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003983 |
| Status | PUBLIC |
Content hashes
| Canonical text | 790c40f7edc0d6e1c69220dbdaa6f756157e8714e501469ec54e909e06a5b99e |
|---|---|
| Markdown | dff9c96a400483c4a7b7ecd261137b1c24cadcb21a967c9b021ed3afbbe5cc1c |
| Publication page | ff4e2922f0c2af0ab4e4eca712bb6143c80c598124e0d2d8ea059c38380f0827 |
| Manifest | 6d3b3cdd1790d70a76d78ca5f7814ee9773089092c06193f2fb0e0201508c5f4 |
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 | IpzctA5uuQAR5XyCTxcoS3yjJXczizCViVbItL94U1W7zc4MmNrJOE8QUMiHPpvH+poDuzkaAG+UZMkUzTXmCg== |
| 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
| 2026-09-16T07:10:08.295440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003983observed ff4e2922f0c2af0ab4e4eca712bb6143...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:08.282034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003983/manifest.jsonobserved 6d3b3cdd1790d70a76d78ca5f7814ee9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.268795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003983/publication.mdobserved dff9c96a400483c4a7b7ecd261137b1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.253922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003983/publication.txtobserved 790c40f7edc0d6e1c69220dbdaa6f756...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. |
|---|