OT-2026-000013237
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000013237) never changes.
Identity and time
| Publication number | OT-2026-000013237 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc9-7ee6-8b3e-1bcf62098c32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013237 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3442b55bf380fc67c83214a1da34e62ff5393b340758888cdb669a4272a7497d |
|---|---|
| Markdown | e11b9fb084218e3d439da89865175b42df0db50374439854e088e6d38b587956 |
| Publication page | d6167a20b362ba6b97b119870149bafedf56acb497a0a43a71aa46d847960fd5 |
| Manifest | bc95dee3c0e2783a48529ef9adeaf05a97a259a327a23174a33b70ab1758e138 |
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 | BNO94x0iDYDn72wmT6z+Jg5FaQL8n4H6EdAQFsU/ySEtj/lqDAsALxSZebIi9nQEiqz4mAFnS4dX1n2QWRReDA== |
| 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
| 2026-10-20T04:23:47.788671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237observed d6167a20b362ba6b97b119870149bafe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:23:47.771739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237/manifest.jsonobserved bc95dee3c0e2783a48529ef9adeaf05a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:47.734290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237/publication.mdobserved e11b9fb084218e3d439da89865175b42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:47.656071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237/publication.txtobserved 3442b55bf380fc67c83214a1da34e62f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:54.401710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237observed d6167a20b362ba6b97b119870149bafe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:54.347289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237/manifest.jsonobserved bc95dee3c0e2783a48529ef9adeaf05a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:54.262062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237/publication.mdobserved e11b9fb084218e3d439da89865175b42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:54.154477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013237/publication.txtobserved 3442b55bf380fc67c83214a1da34e62f...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|