OT-2026-000042540
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down
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-2026-000042540) never changes.
Identity and time
| Publication number | OT-2026-000042540 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7d40-988a-d7eb87a1c3d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042540 |
| Status | PUBLIC |
Content hashes
| Canonical text | c89af7aa9c9a1b0721e4363cab7f58fed2c1c59c0ed0d12e709b9fb47a4beebe |
|---|---|
| Markdown | 2bb1011dec2cc968119cfca69c93ba3adfc1a214eea985dd1435def752d89333 |
| Publication page | a1dfa90728e29fedc1f25cf2930d8ff1dd5921c13eb3bdc4bb001d2fa80c9723 |
| Manifest | 7abb237ec4a451e7f2a4b0bfae1e7bd2f7529b9a226e2b3edebe0db74afd9c8b |
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 | PKzYow6shA+hmXxZ1Nw3/ve97BGxFR3adUTiYUx74/A//hNEr7LRhAs4q5aGgMwuu1h4lhUdfGd8uYhoaZAICQ== |
| 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
| 2026-09-17T11:14:14.575245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042540observed a1dfa90728e29fedc1f25cf2930d8ff1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:14.557266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042540/manifest.jsonobserved 7abb237ec4a451e7f2a4b0bfae1e7bd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.538312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042540/publication.mdobserved 2bb1011dec2cc968119cfca69c93ba3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.517423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042540/publication.txtobserved c89af7aa9c9a1b0721e4363cab7f58fe...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. |
|---|