OT-2026-000090906
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000090906) never changes.
Identity and time
| Publication number | OT-2026-000090906 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-77eb-a2bd-acb5971b83d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090906 |
| Status | PUBLIC |
Content hashes
| Canonical text | fcf35dc131e671ae860e6476bf23b92a81b784660a93b8febaaf7829876fb83a |
|---|---|
| Markdown | 546c7914ca7f381d47374c5427d93b666b956fc05654e033a74cdf4bb7f448c5 |
| Publication page | f1609d8d08fc13ac198698829eab3275dbeda93107bed4c3926b988d39c409a8 |
| Manifest | c133096c0500de14ad37f1fc4e46b6f20fdeaa89f59ec75f0bbdc0e1f944a220 |
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 | FfjudApu5T+jw8fVwdy3U0NrcD5Z40SwodCta5CFXqd2kNOTj3Yi9wEd4bhMtaXJU0+6HpoztVip9HXsFASFAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-09-17T09:44:06.855847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090906observed f1609d8d08fc13ac198698829eab3275...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:06.839042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090906/manifest.jsonobserved c133096c0500de14ad37f1fc4e46b6f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.820884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090906/publication.mdobserved 546c7914ca7f381d47374c5427d93b66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.802075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090906/publication.txtobserved fcf35dc131e671ae860e6476bf23b92a...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. |
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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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