OT-2026-000043029
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000043029) never changes.
Identity and time
| Publication number | OT-2026-000043029 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-3278-706d-a7ee-58c59509c609 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043029 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73161f99db2361bafab70c9b684d967ef51bbf96c2d9f8ae2fc90dc0e2dc3555 |
|---|---|
| Markdown | 05cdac772f2a71d7d010219d02a47d1bf6484797d00f3e55171a6b3078f0e7e0 |
| Publication page | bad40bc7aab4e3ab51596bea75467af38ee0bd7764e24be9b88fcc3af24d70b2 |
| Manifest | 8c9a8f9b7effa0faec66b1890b1b3c35ea7cfa502097c0786c22de4453a5c702 |
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 | DEOPGKUM8L4AJGpTIbZmzXdjDGvjyg7XF2Kv6fB9cQDpYJrXr6L1de521i3HidXctrOe2vpVAohOnssckcWCAQ== |
| 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
| 2026-11-05T04:41:37.549337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029observed bad40bc7aab4e3ab51596bea75467af3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-05T04:41:37.479925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029/manifest.jsonobserved 8c9a8f9b7effa0faec66b1890b1b3c35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-05T04:41:37.415844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029/publication.mdobserved 05cdac772f2a71d7d010219d02a47d1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-05T04:41:37.266211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029/publication.txtobserved 73161f99db2361bafab70c9b684d967e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:41.274005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029observed bad40bc7aab4e3ab51596bea75467af3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:41.224099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029/manifest.jsonobserved 8c9a8f9b7effa0faec66b1890b1b3c35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:41.155217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029/publication.mdobserved 05cdac772f2a71d7d010219d02a47d1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:41.061361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043029/publication.txtobserved 73161f99db2361bafab70c9b684d967e...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 |
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