OpenTechnical

OT-2026-000019108

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000019108) never changes.

Identity and time

Publication numberOT-2026-000019108 · never reused
Internal UUID01a0ae6e-f391-7717-a2bd-0b030cc314cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019108
StatusPUBLIC

Content hashes

Canonical text8e7a40f4f104a6cefddca32afd7de380331bc1c130d323fb1a7ae2da3ad9782a
Markdownd889345165a715fb7df23350955e9d7544897fc4dff6096a6be33124cf1c7a71
PDF
Publication page9a397ea1ace124bf497a9952376ee5b2ab25aca6260387ddf08085405e7e7dec
Manifestd8efdd7855422506f1562b2841303118c398166acc8729be294386944c468d6f

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
SignatureQZKKyFgg2UYZtBba7G4p+U1lnRTM3It/TprTBzvNxw9YWyFliXp5jyuGcfDl18CYaJAbtzaD8tqCXDBDwJY/BQ==
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

2026-09-17T11:58:24.163395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019108
observed 9a397ea1ace124bf497a9952376ee5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:24.144548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019108/manifest.json
observed d8efdd7855422506f1562b2841303118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:24.126284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019108/publication.md
observed d889345165a715fb7df23350955e9d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:24.108762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019108/publication.txt
observed 8e7a40f4f104a6cefddca32afd7de380...
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.