OT-2026-000004187
Publication integrity record
Porous face vacuum gripper, common isolation valve, six outlet manifold, ejector 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-2026-000004187) never changes.
Identity and time
| Publication number | OT-2026-000004187 · never reused |
|---|---|
| Internal UUID | 01a0a911-1afd-701a-8cec-0f880863b092 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:25.664251Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004187 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79e6f8537a49a10818ab3c836d75c8b980b41f87b70e79d02bd220c8968c5e89 |
|---|---|
| Markdown | 2e7ded152ad80eab797b2e1c164a0db665b9df4a785e4a87220ea428eac15a1c |
| Publication page | 74cc2d99b8a728cd9a56762bd38f2a4f618388dabc944af45ca701d3af48aad8 |
| Manifest | a53d2938468126fa13b646ea8ffe279d7a062d4009c4bef1a666e92dbef6a377 |
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 | yffvh6+CFXAUMa+1oEw8nPHhuGhkMkKMkMfyGUaljgbOASTcRbTFARLYoxysY8Yo7EZi1JEGpCp5EebYLqsuBA== |
| 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
| 2026-09-16T07:20:26.404363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004187observed 74cc2d99b8a728cd9a56762bd38f2a4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:26.388852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004187/manifest.jsonobserved a53d2938468126fa13b646ea8ffe279d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.375866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004187/publication.mdobserved 2e7ded152ad80eab797b2e1c164a0db6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.238444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004187/publication.txtobserved 79e6f8537a49a10818ab3c836d75c8b9...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. |
|---|