OpenTechnical

OT-2026-000064107

Publication integrity record

Foam pad vacuum gripper, two zone face, pump 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-2026-000064107) never changes.

Identity and time

Publication numberOT-2026-000064107 · never reused
Internal UUID01a0ae8d-a45f-7b36-b604-3a3dd0e6aadb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064107
StatusPUBLIC

Content hashes

Canonical text83e85fdf17327811d10c05bca33f0c39acb3e8ebb89eba51d063dce96393db7f
Markdown45b18924dcee190f0b99628c6a5b7c337c9c0068e5b8a2112d3aadae445fe6bc
PDF
Publication page85cfd068d8e0a315d46d9fe01c1770ae3ea7c6e4e2bcf493a3aebc0a861b3436
Manifest8e73291a3dbbef6a9e50bc4cbb6a79a2ccd1b5cde13ccbf956e49b64cd13d81a

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
SignatureTX56itGoOHOk0BtFIRwQ8ghF96HBS2Bzc+0mF5XsPWXRAyjblKNemyqDP2acQ7pJOY2eMk7Jac/lmO1jMahyAw==
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

2026-09-17T10:36:05.979479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064107
observed 85cfd068d8e0a315d46d9fe01c1770ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.961262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064107/manifest.json
observed 8e73291a3dbbef6a9e50bc4cbb6a79a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.943510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064107/publication.md
observed 45b18924dcee190f0b99628c6a5b7c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.924995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064107/publication.txt
observed 83e85fdf17327811d10c05bca33f0c39...
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.