OT-2026-000004988
Publication integrity record
Porous face vacuum gripper, four zone face, three 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-2026-000004988) never changes.
Identity and time
| Publication number | OT-2026-000004988 · never reused |
|---|---|
| Internal UUID | 01a0a92a-2c37-72e2-b353-d211fdba4b60 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:48.474212Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004988 |
| Status | PUBLIC |
Content hashes
| Canonical text | f93acd6c87f66268573ea870bc4343f64bef777ce46a62a68fc220dfc0f36e5c |
|---|---|
| Markdown | be38418e29cfbab3e9d8e3f10396cdc16b0b122c6cc0414107c722419ba642dc |
| Publication page | e371672cf07fbadb1206fdcc4b062b45e8c7be9406b6371fe8514bd2cc038372 |
| Manifest | 07e598d2436bafa877e7ef811d1b9cf19cc0069ad741cb81e5cb3a053d3f0321 |
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 | Lu0xBM3wH59YTA97FdKJ+iZygXpNq545U6EngingoWvW4/wmXGtHYU2JIAA0URSDAEkaoI4KcGM9O1FryeJtDA== |
| 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
| 2026-09-16T07:50:27.683957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004988observed e371672cf07fbadb1206fdcc4b062b45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:27.669792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004988/manifest.jsonobserved 07e598d2436bafa877e7ef811d1b9cf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:27.656670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004988/publication.mdobserved be38418e29cfbab3e9d8e3f10396cdc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:27.643982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004988/publication.txtobserved f93acd6c87f66268573ea870bc4343f6...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. |
|---|