OT-2026-000028160
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000028160) never changes.
Identity and time
| Publication number | OT-2026-000028160 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-74a2-b83f-027c7b70e8f2 · 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-2026-000028160 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31e9170f60474b86fc8ca54c477662f738df8639684ecde410e3f169ae713226 |
|---|---|
| Markdown | 2df7925b34d6fd723ed769f176509633f989b0550f020a67f9226019b53e0058 |
| Publication page | b5b7ae9857dbd6559792ce36bc8ea5007dd330f629f1d5512f8420af53266c2e |
| Manifest | 9d6e750dc2db4c71f11a78c6e2ee2fe846c1a30c2fb72a4bc95ac65a4842dade |
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 | IYopgdLkAHTYw+CDXy76yzciDz0mR1STIYMZ49NQbmM/ENz9viq6hZjAcHq3oEr1F+0vxcazDVZ128v9W4/6Cw== |
| 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
| 2026-09-17T11:42:30.803898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028160observed b5b7ae9857dbd6559792ce36bc8ea500...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:30.786320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028160/manifest.jsonobserved 9d6e750dc2db4c71f11a78c6e2ee2fe8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.770975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028160/publication.mdobserved 2df7925b34d6fd723ed769f176509633...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.753769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028160/publication.txtobserved 31e9170f60474b86fc8ca54c477662f7...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. |
|---|