OT-2026-000004603
Publication integrity record
Vacuum cup gripper, common isolation valve, three stage ejector, polyurethane cups, flat form
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-2026-000004603) never changes.
Identity and time
| Publication number | OT-2026-000004603 · never reused |
|---|---|
| Internal UUID | 01a0a91d-6c39-71bf-a677-4fc1523fe7cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:52.892207Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004603 |
| Status | PUBLIC |
Content hashes
| Canonical text | cef741b49554bd86e1ef4563deeccedec20c5125f7eb24bd084fe73175c5b1a1 |
|---|---|
| Markdown | ebb9b02c06e1f4f931efa529484c64e85150e27033ab4ccb96a01fca23047dda |
| Publication page | 3e1e2ea194982afec2b99f58d0d1a1496a1f087bbf226a19bef9cb22704068a8 |
| Manifest | 23e4b0755928fb3c1950fd48cbe1d1e1a2a93ef621cc78b250a27fbf9b678751 |
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 | IfEN49FFls/rIzIWlG5A4FEHtyj03KcPn18F02Se3qaL+5th+p4hw+S2ekrFnbblAciaqjftj7Pr89+vV0gKCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:10.184495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004603observed 3e1e2ea194982afec2b99f58d0d1a149...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:10.171893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004603/manifest.jsonobserved 23e4b0755928fb3c1950fd48cbe1d1e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.159840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004603/publication.mdobserved ebb9b02c06e1f4f931efa529484c64e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.148029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004603/publication.txtobserved cef741b49554bd86e1ef4563deeccede...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. |
|---|