OT-2026-000004693
Publication integrity record
Porous face vacuum gripper, common isolation valve, four outlet manifold, two stage ejector, pressure verified
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-2026-000004693) never changes.
Identity and time
| Publication number | OT-2026-000004693 · never reused |
|---|---|
| Internal UUID | 01a0a920-5a55-7e7a-8fd9-2d0697253f38 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:04.919880Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004693 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73b246787ebd2ea8a7980cb65b07277ca5087b7fca65b32d84fe6c820dd359d9 |
|---|---|
| Markdown | 0d81eda3d677c5699bc319aef9b5eb415cd71ab93f89961a11687233e1146c8f |
| Publication page | fd4bdb3bfaad35f072098622fc613723245dae78815aa28c7c2d3b38befcbb24 |
| Manifest | 6e958f1128dcbbe5cd6e5ec0727cb535ca18cb349c47d712d153889e5be97c9b |
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 | 5H6MFX+aefY4tQfuZsYXE2Qm+g+udHiYa1nuCM1+9hiUoxujzRZ6GEAdC5ifuI+eCK6mcsTxMk8/1zEdGYRZAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:28.908609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004693observed fd4bdb3bfaad35f072098622fc613723...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:28.896992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004693/manifest.jsonobserved 6e958f1128dcbbe5cd6e5ec0727cb535...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:28.883606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004693/publication.mdobserved 0d81eda3d677c5699bc319aef9b5eb41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:28.870066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004693/publication.txtobserved 73b246787ebd2ea8a7980cb65b07277c...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. |
|---|