OT-2026-000003631
Publication integrity record
Porous face vacuum gripper, three zone face, plant vacuum fed, pressure verified at each zone
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-2026-000003631) never changes.
Identity and time
| Publication number | OT-2026-000003631 · never reused |
|---|---|
| Internal UUID | 01a0a90a-9641-7a07-ad46-9506ed036ec2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:18.468087Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003631 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6fffa8e00b387db30262c8d1c4bf226ce69d818ef9d9bd4c7f84ce7daf2e7549 |
|---|---|
| Markdown | 6a757f93940577cbbee1fb927b42fe9e0002a2b9037b5c71aede1799d54708bb |
| Publication page | 590b54ee7d0462b4280639cbcc8ed4d7348ad20a51f6c73e7eb7d9f1ae3bb726 |
| Manifest | 2c9ab0dff941b8640e875886536e8d08deea9345c11f4f8a9ecc906be62e6b40 |
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 | ODhrkwKPlR7VDYiPnoERaMmflxU73alU+tvk6CSgzABtmbPEA9DdUprzWu80Xz/7fS7OUXe40pnwQ4KX2pU3Bw== |
| 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
| 2026-09-16T08:30:35.625424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003631observed 590b54ee7d0462b4280639cbcc8ed4d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:35.490657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003631/manifest.jsonobserved 2c9ab0dff941b8640e875886536e8d08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:35.474929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003631/publication.mdobserved 6a757f93940577cbbee1fb927b42fe9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:35.459298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003631/publication.txtobserved 6fffa8e00b387db30262c8d1c4bf226c...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. |
|---|