OT-2026-000020454
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000020454) never changes.
Identity and time
| Publication number | OT-2026-000020454 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7549-9e23-26c88fb32dcc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020454 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21be696eedb058289176fff25ea53815aae5aaa4163e1bc511b7d8ee422f55da |
|---|---|
| Markdown | a8b0f7441adf3641da4168e2548e45573c9cc39629298ea1aee00be24659f91a |
| Publication page | f5702a6def11a9db29b4e68c7d5b9bf4029de9b5e4e917f77cb45300546fe1c1 |
| Manifest | 3baff3d5de162b4174b9b25fd7a1e9b416b959682b28302c2e60ecfb520af561 |
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 | BmDW/CQMpPoxM1YtgVTQSzjIPs8dlqlPxEVg6z+NLcytlTWIWuo/xqvIcSr2v9PmRCw1lLEdtpGswK2aroGtCg== |
| 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
| 2026-09-17T12:00:23.104105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454observed f5702a6def11a9db29b4e68c7d5b9bf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:23.087224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454/manifest.jsonobserved 3baff3d5de162b4174b9b25fd7a1e9b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.068755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454/publication.mdobserved a8b0f7441adf3641da4168e2548e4557...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.051440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454/publication.txtobserved 21be696eedb058289176fff25ea53815...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.670590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454observed f5702a6def11a9db29b4e68c7d5b9bf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.650456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454/manifest.jsonobserved 3baff3d5de162b4174b9b25fd7a1e9b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.629766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454/publication.mdobserved a8b0f7441adf3641da4168e2548e4557...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.611954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020454/publication.txtobserved 21be696eedb058289176fff25ea53815...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|