OT-2026-000018410
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000018410) never changes.
Identity and time
| Publication number | OT-2026-000018410 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-76a1-b05d-1f646de94a5a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018410 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbe31bc9021f1c5c0d78915bf447ab071571fbdfc77ce2bd421caa4063b425ad |
|---|---|
| Markdown | 7abaffd2be15b566c558fd6de933e7abedb804106c95a0539e51d4226476d700 |
| Publication page | 74a9a6b08b1bb02ae5e5c6b790119840b23ea49fdaeb5cb65f71f90d117820b4 |
| Manifest | 81095bce4ab5412fdbeba095b59cf593b505e71b926f3c03d2eb5c2021990494 |
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 | /6KWSJyIlFXz1MMuO5X5ylU4L/tY+mU+h4s1KOvIHiqUfp+/ZVpHWf7nVx1xdSxZcmJN13n7xDxAPBOt1PF4BA== |
| 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
| 2026-10-01T04:41:34.384203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410observed 74a9a6b08b1bb02ae5e5c6b790119840...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T04:41:34.304114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410/manifest.jsonobserved 81095bce4ab5412fdbeba095b59cf593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:34.211965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410/publication.mdobserved 7abaffd2be15b566c558fd6de933e7ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:34.116678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410/publication.txtobserved fbe31bc9021f1c5c0d78915bf447ab07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:27.798849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410observed 74a9a6b08b1bb02ae5e5c6b790119840...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:27.707027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410/manifest.jsonobserved 81095bce4ab5412fdbeba095b59cf593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:27.635891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410/publication.mdobserved 7abaffd2be15b566c558fd6de933e7ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:27.482085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018410/publication.txtobserved fbe31bc9021f1c5c0d78915bf447ab07...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 |
|---|