OpenTechnical

OT-2026-000075735

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000075735) never changes.

Identity and time

Publication numberOT-2026-000075735 · never reused
Internal UUID01a0ae94-29fe-7183-9b1f-4fbe97873bf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075735
StatusPUBLIC

Content hashes

Canonical textf39c8a4dc3b17a42b0678fbf03fd1b1a4e5c768c7b89f4a1335700c91d1008b2
Markdown6ad4c3adcdb9c1d575b807de86b5516d3614447e44657c8c4ab27f6dc902f03b
PDF
Publication pageb665ddf68c4ed39eb67157237603b726675d0d662b9cf4b109e96ab09c41ea21
Manifestaf9b8a2ff3012736a069d566e8a78fcc20182015b6efb632290d72f0379203e9

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
Signaturevtq7fyo4k0T8bUYZ5kSfpGhERpK67bwszC+l5RzxKa7NXECFsccjsOAttt6yyl27cU9HcaVuB9zwmBs/vH5lAQ==
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

2026-09-17T10:14:02.973455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075735
observed b665ddf68c4ed39eb67157237603b726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.954910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075735/manifest.json
observed af9b8a2ff3012736a069d566e8a78fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.812269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075735/publication.md
observed 6ad4c3adcdb9c1d575b807de86b5516d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.794329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075735/publication.txt
observed f39c8a4dc3b17a42b0678fbf03fd1b1a...
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.