OpenTechnical

OT-2026-000035983

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000035983) never changes.

Identity and time

Publication numberOT-2026-000035983 · never reused
Internal UUID01a0ae77-01cd-7679-8061-22a430d0f8bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035983
StatusPUBLIC

Content hashes

Canonical text1347225b72da0cc83cb505619963d8b44f1eae1cbfc3b688b620dbc7099f0fbd
Markdown0291409e747ae4d8f15ec2bdb12ca25a1ccff080ee932745e576b2cc0f43cd91
PDF
Publication pagedc6925626f6b034af2f59419aed3ab40b8c1c47d609c0f06a72dcb9186c75b85
Manifest755a35caf25d196d762b67a72cc67e009735340cf44fe2075b755b23221d75e1

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
SignatureEflis7pl+AP3ax95ydZy1rSMhTzkZG++QMi8tHu+lhPTRI1qPnyqI+3rmmKgwTDATNZ7ntfxJkUbJHF3GJTkBg==
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

2026-09-17T11:26:08.388908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035983
observed dc6925626f6b034af2f59419aed3ab40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.370847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035983/manifest.json
observed 755a35caf25d196d762b67a72cc67e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.352824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035983/publication.md
observed 0291409e747ae4d8f15ec2bdb12ca25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.336727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035983/publication.txt
observed 1347225b72da0cc83cb505619963d8b4...
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.