OT-2026-000004074
Publication integrity record
Bellows cup vacuum gripper, four zone face, pump fed, vented after set down, plastic cups
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-2026-000004074) never changes.
Identity and time
| Publication number | OT-2026-000004074 · never reused |
|---|---|
| Internal UUID | 01a0a90e-4810-724d-9ace-5a10ddfde2bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:20.595324Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004074 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc1e53bd5905348e7b8f1cac079d18bd4ae840063d4783b47e9ff7324755a1f4 |
|---|---|
| Markdown | 28c528bbb44808209a960d7406be0788e525c30201114b4fd35ccc31ffa2d488 |
| Publication page | 29ddbbcc70b80ede1c6259570171359d2d1ac33ac3f3b199311a8dba697e9d98 |
| Manifest | 2383bb4fc93a48a14a32bd103d1b90e43c06904c7e204834b5d41e54c3231105 |
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 | /mpmIslmfdLdjoaENPHbWa/sDLtseL5tsVP6BM7Ead15ZIqVtHBbeA0F20ST6fU2kySOLV0LUIDd0pq0J2cJAQ== |
| 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
| 2026-09-16T07:30:35.230946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004074observed 29ddbbcc70b80ede1c6259570171359d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:35.216160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004074/manifest.jsonobserved 2383bb4fc93a48a14a32bd103d1b90e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.203434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004074/publication.mdobserved 28c528bbb44808209a960d7406be0788...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.191571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004074/publication.txtobserved bc1e53bd5905348e7b8f1cac079d18bd...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. |
|---|