OT-2026-000029709
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000029709) never changes.
Identity and time
| Publication number | OT-2026-000029709 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-7db2-bbfc-35d3bf1d63fd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029709 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55ff369f0d946f9fb1ffe94f2e3ab4dbbbbe2024f6126dc925bcf11445db8362 |
|---|---|
| Markdown | f2d4065bca3587d53032e671fee5bc3fba474b5088d251c997391e9fa68425d1 |
| Publication page | 2600327ecbcc9523fa43f297ef92f9d7224c514beafffb1835cc33922f586811 |
| Manifest | 05abe5289e856ff5721f7e0e05e5ecc0fd7522e6da54cf86bebc1350da1b384d |
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 | b/q3dJ4RJ4t+hizGAkSiviLpMO8CNrnXDYO3buweLMSLgh8fbQkwIUaF7xw0DsvqJS9FuMMy3FUs7+1+RDXkCg== |
| 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
| 2026-10-13T04:41:38.160323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709observed 2600327ecbcc9523fa43f297ef92f9d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T04:41:38.082494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709/manifest.jsonobserved 05abe5289e856ff5721f7e0e05e5ecc0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:38.013499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709/publication.mdobserved f2d4065bca3587d53032e671fee5bc3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:37.886492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709/publication.txtobserved 55ff369f0d946f9fb1ffe94f2e3ab4db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:54.508551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709observed 2600327ecbcc9523fa43f297ef92f9d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:54.434526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709/manifest.jsonobserved 05abe5289e856ff5721f7e0e05e5ecc0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:54.351987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709/publication.mdobserved f2d4065bca3587d53032e671fee5bc3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:54.254728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029709/publication.txtobserved 55ff369f0d946f9fb1ffe94f2e3ab4db...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 |
|---|