OpenTechnical

OT-2026-000070763

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070763) never changes.

Identity and time

Publication numberOT-2026-000070763 · never reused
Internal UUID01a0ae91-8c2c-7bd8-958d-de605b739856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070763
StatusPUBLIC

Content hashes

Canonical text75d8452882d97d1229b1efffc911a1b3a8f9b50df42ed27ed2dcde8dadcefc7c
Markdown52b6881424f672e5791ec130180c571895b27a8075a75f4b9f4e7b77c3afbd69
PDF
Publication page031b160eac2b789a3cc6b985d2fa2113903f9d04b6b5983d0ba64feefd66d839
Manifestc872afe038ca42801e8c2fbf994ab423fc5b9dfe0c1969e0369a1fb31026c4fa

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
SignaturetVheFWHoxj5BQqeK6AbHGXQI8NH8H7N8IXdytMRDNPfxOKPFlhhr2QSu7hz0uHR0ug3HVpdhcgdGqmS75mASCA==
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

2026-09-17T10:25:27.776619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070763
observed 031b160eac2b789a3cc6b985d2fa2113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.758997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070763/manifest.json
observed c872afe038ca42801e8c2fbf994ab423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.742395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070763/publication.md
observed 52b6881424f672e5791ec130180c5718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.724929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070763/publication.txt
observed 75d8452882d97d1229b1efffc911a1b3...
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.