OpenTechnical

OT-2026-000067783

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067783) never changes.

Identity and time

Publication numberOT-2026-000067783 · never reused
Internal UUID01a0ae8f-c4fa-77d5-ad88-669a9e76b2d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067783
StatusPUBLIC

Content hashes

Canonical textc9cd026641096887c896b7e93d6b8afe1f3aeedde1933dfafb06e6e6ccf7c8ac
Markdownbfa453b8e32b9030c677e13e419ba88ffc501180231572dbe00744d58e2c063c
PDF
Publication page86aa5c37f9a711effeba5054ff5623bb8a2de221463d351ddfbd41a959ddc67d
Manifestab3d5ff78c079128270710d8ca7fbf35e5e35d02150f0f85e97cd6aeed10e9c1

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
SignaturePSgf07MedznapYpqes/jBd4aFzJydNK7m7rmN8JhMRbXvyMi47vuVXrfP5XXtpkb+onPmYaCKuweveOczBfFBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:01.021395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067783
observed 86aa5c37f9a711effeba5054ff5623bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.003939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067783/manifest.json
observed ab3d5ff78c079128270710d8ca7fbf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.987519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067783/publication.md
observed bfa453b8e32b9030c677e13e419ba88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.970004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067783/publication.txt
observed c9cd026641096887c896b7e93d6b8afe...
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.