OT-2026-000100545
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100545) never changes.
Identity and time
| Publication number | OT-2026-000100545 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f1-7719-ad5c-a97a8a47aeb5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100545 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea1a1feccec1e394d261d8421eabf5a1674123aba9dd5d155bfb4b32bf385265 |
|---|---|
| Markdown | 515fa4138c3af650aeab736f28f7be36823cafb48f6f0c7cd1637505af22a3c4 |
| Publication page | 62faec93f9304b555ee686162612fd28d2e72b60447ab70b57949653b7adeeea |
| Manifest | 2fb9de785f72cd0e2937e1ff8fa060786c8d34aa10ec3dce4fce3745879f34c8 |
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 | hWYM0hJgzrR1tA6VU6qrvYMIXUVg3Ds5FLGPpB0SjlqRxqFSLE1eHpz7UWT7VtECKZqmUJ49Ji3GkgT5U4DGBA== |
| 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
| 2026-09-17T09:27:17.498218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100545observed 62faec93f9304b555ee686162612fd28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:17.481848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100545/manifest.jsonobserved 2fb9de785f72cd0e2937e1ff8fa06078...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:17.464242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100545/publication.mdobserved 515fa4138c3af650aeab736f28f7be36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:17.417188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100545/publication.txtobserved ea1a1feccec1e394d261d8421eabf5a1...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. |
|---|