OT-2026-000018857
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000018857) never changes.
Identity and time
| Publication number | OT-2026-000018857 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d521-7179-af5f-210f4e67f92d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018857 |
| Status | PUBLIC |
Content hashes
| Canonical text | a26b20fa7232e5ab260a46fe645ac7c292fc5babc837c19380534196dd6b044b |
|---|---|
| Markdown | bab135b410814d462a397c568aae080fd4874db880543f42bd927af460a723fd |
| Publication page | 458e3c8a8fa41278bbab2c094539ea3561257fdf4b063459a50ece190cea73d8 |
| Manifest | 46b1348f3d277857e1fc69c353cb57c1a61d90d50ed20885091131978c34247f |
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 | L2uADcYxykf3llccTe8MfbDqX3ZnrRpys5WD0sVCxEIJoBrgh2EsSkAd50XTpMG/RsabUgw3UmtdQpEpB7yfAQ== |
| 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
| 2026-09-17T11:59:29.991965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018857observed 458e3c8a8fa41278bbab2c094539ea35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:29.972943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018857/manifest.jsonobserved 46b1348f3d277857e1fc69c353cb57c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:29.954205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018857/publication.mdobserved bab135b410814d462a397c568aae080f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:29.934323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018857/publication.txtobserved a26b20fa7232e5ab260a46fe645ac7c2...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. |
|---|