OT-2026-000051209
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000051209) never changes.
Identity and time
| Publication number | OT-2026-000051209 · never reused |
|---|---|
| Internal UUID | 01a0ae83-273f-7cd7-9c12-401662187750 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:05.998905Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051209 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e9d0831cb87937ee839284fa37a46ef9a5788af46fd13ab9507a671fd08dc4f |
|---|---|
| Markdown | 2cf2f8fc906a1e3e7cbd5a8ccfa7d87ffb5906a1fbb2dd4ff83ece6fa80e1950 |
| Publication page | 25a1b0cf6733a18099d7502ae7f14dc5a221b60f3fa961badee92df53118e277 |
| Manifest | 9fdb68b8bd08d1cf6e3b95785fe263744868b980b587cbf09998066443569286 |
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 | rjf11s16yyvjXfGriq8CKFq7zlXNl1C+IExC+VlxpJAp3XwOXtYvvfFJFgD+8zXrEc1Qvm+qN0L81lU0Fmz7BA== |
| 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
| 2026-10-25T16:41:13.763680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209observed 25a1b0cf6733a18099d7502ae7f14dc5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T16:41:13.691010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209/manifest.jsonobserved 9fdb68b8bd08d1cf6e3b95785fe26374...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:13.635286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209/publication.mdobserved 2cf2f8fc906a1e3e7cbd5a8ccfa7d87f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:13.576255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209/publication.txtobserved 7e9d0831cb87937ee839284fa37a46ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:42:03.665071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209observed 25a1b0cf6733a18099d7502ae7f14dc5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:42:03.591610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209/manifest.jsonobserved 9fdb68b8bd08d1cf6e3b95785fe26374...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:42:03.503609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209/publication.mdobserved 2cf2f8fc906a1e3e7cbd5a8ccfa7d87f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:42:03.377314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051209/publication.txtobserved 7e9d0831cb87937ee839284fa37a46ef...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 |
|---|