OpenTechnical

OT-2026-000070871

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line 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-2026-000070871) never changes.

Identity and time

Publication numberOT-2026-000070871 · never reused
Internal UUID01a0ae91-8c2d-7313-9033-d1a1b62e88f6 · 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-2026-000070871
StatusPUBLIC

Content hashes

Canonical text0c5e7053e645be0fcf0a36614a1ac4c095129cc7a3cf3599909446536891cb77
Markdowndca6307b03c0194814a9ed872cf317b3fc4fcf87057f8fdbd982e425a394c17d
PDF
Publication page4dff2e4086c0e34e83c3ee149d09d1204ae9fceb497807dfecc7c790076e7499
Manifest310428fd8dfae344e6db1c2cb7dc87790806215910cb754e13c90adb8bff86d8

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
SignatureqajMXzswdGwZm/2MBNKifptA8gjiw9aWd/Fgh2Ip7Cu0fKpUnIuVYtmMNfdWPEuFgpvH9UP4OMxJq3iiMaV+Aw==
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

2026-09-17T10:25:41.635558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070871
observed 4dff2e4086c0e34e83c3ee149d09d120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.618842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070871/manifest.json
observed 310428fd8dfae344e6db1c2cb7dc8779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.603229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070871/publication.md
observed dca6307b03c0194814a9ed872cf317b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.586248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070871/publication.txt
observed 0c5e7053e645be0fcf0a36614a1ac4c0...
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.