OT-2026-000006294
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, pressure verified, vented after 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-2026-000006294) never changes.
Identity and time
| Publication number | OT-2026-000006294 · never reused |
|---|---|
| Internal UUID | 01a0a955-dcbe-707b-afd5-d98f01b29081 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:29:31.712771Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006294 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74bbe7fd62f31fb626071e941312a7cafa656d8a54694f0f42061ba2c9e9a861 |
|---|---|
| Markdown | fee3bea8868c0206b0168a8e9216ef3c21b86bca011b1ecd1175453af8590e5c |
| Publication page | bed7dc4d3b97daedd7f2c3551915cfb8cf3d636d64c88a4f4d904fbefcd2818e |
| Manifest | 9e5ab1d9aea535c34829545ba9004fed40610ee79ccc5d4e63376f9cb70ed36a |
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 | 5Qx9duNtftETUKCWs9HVJAYg9ehcqdP2xz283IgRwsetMjKAvz33j18L8cHDGXMjZ6WTmENUk+xYHq5VTyfuCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:30:04.655269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006294observed bed7dc4d3b97daedd7f2c3551915cfb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:04.642895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006294/manifest.jsonobserved 9e5ab1d9aea535c34829545ba9004fed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:04.629153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006294/publication.mdobserved fee3bea8868c0206b0168a8e9216ef3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:04.491224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006294/publication.txtobserved 74bbe7fd62f31fb626071e941312a7ca...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. |
|---|