OpenTechnical

OT-2026-000046851

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000046851) never changes.

Identity and time

Publication numberOT-2026-000046851 · never reused
Internal UUID01a0ae7e-d0f5-749e-a0aa-f61fbc386562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046851
StatusPUBLIC

Content hashes

Canonical text3b79587e05b244ba07af2596499c78803e2d1ba68eaf4c470946ba204a029c34
Markdowne30b6e70c1672dbfcd19f0356d7936e4f5d3756cc57248fb477d474c35cd159f
PDF
Publication page5709460064ffa8eff30f3b3986265ce8bd341847fdaf75ed06380ac5016788bc
Manifest9ac47a2bb790993f7a9281d148e87053c3ca73106a4d0b6d0d94eb3f890f49db

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNWgbNhjtJJhridFjJbMTaeuAFUC2XfH/8fxHRdekTOaUEge0Bke2wxfrEpqPa6tbz8B7E3VyaSRoSeTlGjW1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:57.144151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046851
observed 5709460064ffa8eff30f3b3986265ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:57.127091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046851/manifest.json
observed 9ac47a2bb790993f7a9281d148e87053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:57.109740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046851/publication.md
observed e30b6e70c1672dbfcd19f0356d7936e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:57.092338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046851/publication.txt
observed 3b79587e05b244ba07af2596499c7880...
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 archivePending 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 packagePending Custody packages are produced weekly.