OT-2026-000028669
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000028669) never changes.
Identity and time
| Publication number | OT-2026-000028669 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7aa7-9eb7-f834ca8dce3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028669 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4866f81fb7d0aecaf7a0cbd2bb0605ef1bdda6cbca1550a7f6a541cac3762cf |
|---|---|
| Markdown | af617ce75c9840b54272103cfefb66c3318c1a691e0bc1aba1c2dfb8d3ee9219 |
| Publication page | 91f3ecefd06d62d2a04de4ef3750e230a2a130faebece33aaf0f5a2ebd3fbd81 |
| Manifest | 58c1b6c4d08b245ab94a97c81586cbd392c069854c4eae7c64ac1a05e750da71 |
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 | dF+rDWFXE5kp7ojKfzGeTj4p5uKoc5ow87mVKaZ56b4zwlAzP//qx25MZKC5tjlQaxKvSAFbgiDMwq3qEUUxDw== |
| 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
| 2026-09-17T11:41:33.229817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028669observed 91f3ecefd06d62d2a04de4ef3750e230...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:33.209825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028669/manifest.jsonobserved 58c1b6c4d08b245ab94a97c81586cbd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.189576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028669/publication.mdobserved af617ce75c9840b54272103cfefb66c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.170390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028669/publication.txtobserved f4866f81fb7d0aecaf7a0cbd2bb0605e...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. |
|---|