OT-2026-000034021
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034021) never changes.
Identity and time
| Publication number | OT-2026-000034021 · never reused |
|---|---|
| Internal UUID | 01a0ae75-df0c-7797-af69-146b61cd18ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:35.550760Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c5615bab0d8c1088cf8ff8f52ac6cea9105975ea6a28c73cc28fdc3c1af4d50 |
|---|---|
| Markdown | 87b235faf640b632248908977bbf40b2188542b8a70e6cf28a8a953eb981230a |
| Publication page | e397836697f6d9729e02f31cae4fb09fc6dedc5acb89222f56adb54c81881988 |
| Manifest | 9de0fb08b6ad1a2481b3debe0dfc43a44fc9e42e12d704577f9efc0a6e64325a |
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 | yGXPpDDe/OOgqyNJfRBhJtG1m18n2IfeGkQnZmm3fs06obKSDcBOO9UECciN2hLL9kpE0wJP66QY3P0wnCdzCw== |
| 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
| 2026-09-17T11:30:14.754852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034021observed e397836697f6d9729e02f31cae4fb09f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:30:14.737641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034021/manifest.jsonobserved 9de0fb08b6ad1a2481b3debe0dfc43a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:30:14.718890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034021/publication.mdobserved 87b235faf640b632248908977bbf40b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:30:14.701416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034021/publication.txtobserved 4c5615bab0d8c1088cf8ff8f52ac6cea...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. |
|---|