OT-2026-000028689
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000028689) never changes.
Identity and time
| Publication number | OT-2026-000028689 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-70cd-9dd0-6fabb07f67d3 · 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-2026-000028689 |
| Status | PUBLIC |
Content hashes
| Canonical text | e000bafe8280520f9da602165600baa532f79d3ec7586323b2a59f33de823a71 |
|---|---|
| Markdown | a3fdc1f140a276585515bf37e2878ddfa47644f8189f08f519a6e0bd62bda478 |
| Publication page | 4af993182befb8d54b8aff1519b0633956d25583144d6d05fcfdf41b608fa322 |
| Manifest | 7ff1598e2892acd38428efac5e360adccf3e1ff33ec300ecc9396c723ae0bb09 |
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 | 95Z67jEYmGKmnDpWVemdLBRKoN7DjAfFOtqXKL8Xqn194uSEZ/m6Gj1TxkwvaauztbAd6dQgPxIvBdHZj9vIAA== |
| 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
| 2026-09-17T11:41:40.737313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028689observed 4af993182befb8d54b8aff1519b06339...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:40.713596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028689/manifest.jsonobserved 7ff1598e2892acd38428efac5e360adc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:40.681286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028689/publication.mdobserved a3fdc1f140a276585515bf37e2878ddf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:40.656290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028689/publication.txtobserved e000bafe8280520f9da602165600baa5...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. |
|---|