OT-2026-000028227
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
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-2026-000028227) never changes.
Identity and time
| Publication number | OT-2026-000028227 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-77f2-ad37-72e52b9826bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028227 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83dd3bf9c76f8e7c13583838da98e769ec2ad1687e4aab01de768747f12ad976 |
|---|---|
| Markdown | 6b5aeaa29d90a6271b0d1286a157a19f4dd23a45c03538bdc7de84aafb2f884b |
| Publication page | 098f67166fe1c12e4b7d1eea8f26ff6620d9a5c6f70baa4d64a259b55df140be |
| Manifest | 37fc0d6d84f9e4cf0d9c80c4957002bcce1a13f75667378023bb4ed472f2e797 |
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 | nozGjyqlTo75oqu9NBfAvaSUm8hZVmlZSf0xE03j2SnmHcY5VrwcVKrZLzi/Fsr+oqTXy55yEJkLhIRb6AtYBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:35.506393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028227observed 098f67166fe1c12e4b7d1eea8f26ff66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:35.491143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028227/manifest.jsonobserved 37fc0d6d84f9e4cf0d9c80c4957002bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:35.473787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028227/publication.mdobserved 6b5aeaa29d90a6271b0d1286a157a19f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:35.455951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028227/publication.txtobserved 83dd3bf9c76f8e7c13583838da98e769...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. |
|---|