OT-2026-000022569
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000022569) never changes.
Identity and time
| Publication number | OT-2026-000022569 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-71f3-8a74-e74026ee8a4b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022569 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91835950e2679624ca62874915cf26f015755f5e8916626ad225c98ecad95a25 |
|---|---|
| Markdown | fc0a3c818d1aba7c8ea52e6be142f85049d1523f3153c98e18deb765be688f4f |
| Publication page | 77c87ef6484d6b130b3acef9e0083976be99cf40d8e50987381b0c5c2e3d8601 |
| Manifest | 5ff8b95f29971b5bf177da9e4b296f5c0eb039fc97ef495f7aca8f3e3be2a83b |
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 | nmhRCzSXWPsKs3yyGhHhLmmtHJsuBwdOK9mCKczLk/B3weDURqu8SUoskthTJFDk0s4u2abn9IN2SJf3qlY1Aw== |
| 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
| 2026-10-17T04:23:11.595045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569observed 77c87ef6484d6b130b3acef9e0083976...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:23:11.580152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569/manifest.jsonobserved 5ff8b95f29971b5bf177da9e4b296f5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:11.563515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569/publication.mdobserved fc0a3c818d1aba7c8ea52e6be142f850...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:11.546621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569/publication.txtobserved 91835950e2679624ca62874915cf26f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:46.349643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569observed 77c87ef6484d6b130b3acef9e0083976...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:46.278566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569/manifest.jsonobserved 5ff8b95f29971b5bf177da9e4b296f5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:46.220004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569/publication.mdobserved fc0a3c818d1aba7c8ea52e6be142f850...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:46.160234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022569/publication.txtobserved 91835950e2679624ca62874915cf26f0...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 |
|---|