OT-2026-000028039
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000028039) never changes.
Identity and time
| Publication number | OT-2026-000028039 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7372-9b39-19fad8362a52 · 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-2026-000028039 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9647a8b9341a2c18d227884ebeddac8a6b689228741a32356484e568e08df4ba |
|---|---|
| Markdown | 7cd093f87271e8b305c4392b90c49c042d110221ac72a7ad7df79c61c90f35e7 |
| Publication page | 156b658f8d56ba9eb4c5901af6a4cf0acb4028271d14628ac2aba373a6d765a3 |
| Manifest | 94cd9734a50345c1a9cae22fd660b43da7cfd3d7823901bcfcd005643bd182b6 |
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 | 3jMqkXC1wnYobyKxm6wxRKb9SlH6Vzp+rgbdvuogFJnrxaqw0i1l3CsHrf91ohKj23Vzru+YZxDeRNaWBmUKDQ== |
| 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
| 2026-09-17T11:42:21.843013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028039observed 156b658f8d56ba9eb4c5901af6a4cf0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:21.826332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028039/manifest.jsonobserved 94cd9734a50345c1a9cae22fd660b43d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:21.808266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028039/publication.mdobserved 7cd093f87271e8b305c4392b90c49c04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:21.792045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028039/publication.txtobserved 9647a8b9341a2c18d227884ebeddac8a...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. |
|---|