OT-2026-000028104
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000028104) never changes.
Identity and time
| Publication number | OT-2026-000028104 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-72c9-b210-9397ace7f1eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028104 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4c18e5634fc0c295623e8cccf04c3281547845070a9f500463ec048058f4960 |
|---|---|
| Markdown | 35a0ef5538150ae1f44ffff978cc81dd488ff1e968cb5cbfbdc68ab8e9279397 |
| Publication page | e767f050dc404aa6132adf693b73fcda61902fd9516de3055817e7114d3e8a6c |
| Manifest | 44c29c3672190446dd9d3a57d776bd0bcc6a84964cdd95ff0b5ebdaaae9e4420 |
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 | SP6YtVWC5/64pBkiejZCEe7aytTgORzEcWC9qdBjGqSssO/0c6JnlnC5AjDfUkG9iv8tKgl2mjnLLNOT/lVBBw== |
| 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
| 2026-09-17T11:42:27.120814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028104observed e767f050dc404aa6132adf693b73fcda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:27.104459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028104/manifest.jsonobserved 44c29c3672190446dd9d3a57d776bd0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:27.086435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028104/publication.mdobserved 35a0ef5538150ae1f44ffff978cc81dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:27.069321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028104/publication.txtobserved b4c18e5634fc0c295623e8cccf04c328...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. |
|---|