OT-2026-000004920
Publication integrity record
Vacuum cup gripper, three zone face, ejector fed, pulsed blow off before 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-2026-000004920) never changes.
Identity and time
| Publication number | OT-2026-000004920 · never reused |
|---|---|
| Internal UUID | 01a0a927-d885-721c-848d-7426560bc2fd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:15.975955Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004920 |
| Status | PUBLIC |
Content hashes
| Canonical text | eaea46a8ca5f03c68ec376a7e14d778ac77dd02d10bd0e51c4700fb96733f2e4 |
|---|---|
| Markdown | 38ac4822e55d053b4bf19fb51bdd5ecf0c90ff08b4e98531c04662ebf2cebb1c |
| Publication page | 139cca6be1f5fae96bffa0f04b5e5628d5b6493aa8bfe7556449c3169f9a78dc |
| Manifest | 3d5c347d480841950d46847bfaf4c676a3eb5907f6681e1610c3b9507943b2e2 |
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 | 6dfy3yno81JUoDK6tbwKJx6JEThurqlYKMlNlvvibZw5hlLmk4b/U/EqFbUfRoWd+uXdAwzyE2Pic7znKjVpDw== |
| 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
| 2026-09-16T07:40:04.654478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004920observed 139cca6be1f5fae96bffa0f04b5e5628...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:04.641393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004920/manifest.jsonobserved 3d5c347d480841950d46847bfaf4c676...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:04.628046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004920/publication.mdobserved 38ac4822e55d053b4bf19fb51bdd5ecf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:04.491064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004920/publication.txtobserved eaea46a8ca5f03c68ec376a7e14d778a...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. |
|---|