OT-2026-000004216
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000004216) never changes.
Identity and time
| Publication number | OT-2026-000004216 · never reused |
|---|---|
| Internal UUID | 01a0a911-91a0-709a-ba51-03c32091d16d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:56.037274Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004216 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a268020005806123a4f225cf9f217be532418294fdc9cf6fdb09844edb7ef29 |
|---|---|
| Markdown | a477fd7ca8f4cad8e6b09ca306716907bc8f68bf4a8f75e3ee8ece7b452f5c33 |
| Publication page | 10981b1de57e1a0272556eb31dbf157b7a706323b4e371c0b8ef1355b84ff57a |
| Manifest | 91dcee4fa481fef8653ef288ad427646b98146288335532507d3a6524556613e |
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 | 7sJxWQOXqpcynOzKdBHgSWoMZVdRkcsnbHewkqLl64HzVQqbuopbfuU949bcu9sbN94XQwgE9O2jffn0Xm6RAQ== |
| 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
| 2026-09-16T07:20:22.964553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004216observed 10981b1de57e1a0272556eb31dbf157b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.951001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004216/manifest.jsonobserved 91dcee4fa481fef8653ef288ad427646...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.935139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004216/publication.mdobserved a477fd7ca8f4cad8e6b09ca306716907...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.921223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004216/publication.txtobserved 1a268020005806123a4f225cf9f217be...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. |
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