OT-2026-000026311
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000026311) never changes.
Identity and time
| Publication number | OT-2026-000026311 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a6-79cb-9540-5d0d1c8eb301 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026311 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4727c7e390045a66f93f08e15e214f44b54f9583eea8bdb1ed4116e56e09980 |
|---|---|
| Markdown | 5eac53c6f684d074b3fe824ce214be55656b7c67901d181eafe79f5e072b904d |
| Publication page | 2142443e2f1a4a2fe0f72bfd741ac72f8ed5a7fc336ebbe403d5f3935cfc363b |
| Manifest | 9d6160370fff21563f70df4b824341699fd47aacd234122529a0cf9ef309d1f8 |
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 | mKaybVhLf8qnSiEkR8KRY5EAD3g9UhcMNJ9/ayL08Egxn5yC08uRIwmvI6SGUh7iJAKleJyzqnyiGCGpE3j8Aw== |
| 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
| 2026-10-22T04:41:25.558588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311observed 2142443e2f1a4a2fe0f72bfd741ac72f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T04:41:25.463503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311/manifest.jsonobserved 9d6160370fff21563f70df4b82434169...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:25.333375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311/publication.mdobserved 5eac53c6f684d074b3fe824ce214be55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:25.043730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311/publication.txtobserved c4727c7e390045a66f93f08e15e214f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:23.835712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311observed 2142443e2f1a4a2fe0f72bfd741ac72f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:23.785414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311/manifest.jsonobserved 9d6160370fff21563f70df4b82434169...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:23.707587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311/publication.mdobserved 5eac53c6f684d074b3fe824ce214be55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:23.555161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026311/publication.txtobserved c4727c7e390045a66f93f08e15e214f4...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 |
|---|