OT-2026-000028563
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed 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-2026-000028563) never changes.
Identity and time
| Publication number | OT-2026-000028563 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7aa9-a2dc-231c80148bcd · 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-2026-000028563 |
| Status | PUBLIC |
Content hashes
| Canonical text | 881f642e2b6b6ded9532a3f837e292d3545c9a0eb71832c002f3d2f5681220ef |
|---|---|
| Markdown | 69f224a8ff118fbc183d24333a6d26f8948318f5e769ac198517f61bf9103b7e |
| Publication page | 74ae8ba09a73bd38f3277410f1ad7781df3247e5884784585de22645aeed7e40 |
| Manifest | 9c971d2ea5aba68bd325544cc6754a0d6b068c488cdc7c1ac86e59aec9ef5393 |
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 | yI0/LTXJVfOS1a26s3zgnnnbkLWUgmC+jxctNwK420UbssuDD+KvbP8ZReiSDr5CG6IS6OAVtIvVluuUwkpkDQ== |
| 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
| 2026-09-17T11:40:50.951643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028563observed 74ae8ba09a73bd38f3277410f1ad7781...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:50.932942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028563/manifest.jsonobserved 9c971d2ea5aba68bd325544cc6754a0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.912320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028563/publication.mdobserved 69f224a8ff118fbc183d24333a6d26f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.893415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028563/publication.txtobserved 881f642e2b6b6ded9532a3f837e292d3...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. |
|---|