OT-2026-000103774
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000103774) never changes.
Identity and time
| Publication number | OT-2026-000103774 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e463-732d-8c6c-215d8f26b384 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63416c32de79187b79dd8e9db6636d86e3d004a2654033326de9dbe76b808f7f |
|---|---|
| Markdown | c709ec16f2367370c113af941d1b07ac56afff9d9b8a56a142981a8f16df4102 |
| Publication page | 4cf0f7355871ae5c4643bce40d218aed5564bf2ce3f4b44a0955b1c9394da1fb |
| Manifest | ed2c49a7b7d299b150243480032f0791ed69bcdbe65556faf9cc6fbfb39967ac |
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 | 1s/I8l24J0eDlTiiUqGTQJ2eikObEJgeQjot6rR+5aeeYDNawYLwcoKli5DA1v2aeveLoQMaAIOoX9Yt5NlBCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:43.545193Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103774observed 4cf0f7355871ae5c4643bce40d218aed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:43.530777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103774/manifest.jsonobserved ed2c49a7b7d299b150243480032f0791...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:43.516012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103774/publication.mdobserved c709ec16f2367370c113af941d1b07ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:43.499796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103774/publication.txtobserved 63416c32de79187b79dd8e9db6636d86...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. |
|---|