OT-2026-000074688
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074688) never changes.
Identity and time
| Publication number | OT-2026-000074688 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2b-71e0-a920-9e455265fbc9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c0818d3f81d65923ffa4dc378360ec19bdb47354138a8fbfe814d16d8c94090 |
|---|---|
| Markdown | 52598d0292dcda2d4d84c7df6f407c661acebd59536d9bba90a17118aa633647 |
| Publication page | 69394de0b5ef806e7684cc50c0dbc1e3241bf4629d6a43e04da75596258e3bd1 |
| Manifest | 8e781b1c1c210589b1e0738a8197a50b6ea119e8bc47bdbfca5f4a35514850ea |
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 | NpYWz1zzVCWwx9oE3DClZxZNZI+oCTw3tr3tl8LXFK8guCeAdPWiKgL5Ts0934D1jno9EgSHJM6wR9Dz7B8CDA== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:18:16.536485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074688observed 69394de0b5ef806e7684cc50c0dbc1e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:16.519841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074688/manifest.jsonobserved 8e781b1c1c210589b1e0738a8197a50b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:16.502040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074688/publication.mdobserved 52598d0292dcda2d4d84c7df6f407c66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:16.481362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074688/publication.txtobserved 5c0818d3f81d65923ffa4dc378360ec1...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. |
|---|