OpenTechnical

OT-2026-000073475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000073475) never changes.

Identity and time

Publication numberOT-2026-000073475 · never reused
Internal UUID01a0ae92-efb8-7d40-bb76-cef71292e0b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073475
StatusPUBLIC

Content hashes

Canonical text61832d4fede056dc68391c02b752113b67178ab5db7285cbb1e44d903a5f5046
Markdown0b447b61c2590a01e8d894fb678923d1fd3e6f347256d5c1a45c579f78e943b9
PDF
Publication page5f5833a0145cd35f4fe496403befc48a7d5fe07a875af26a9bae5a1778df0996
Manifeste7198a3411bd56d603cfb1b8fbb7408944086bd7c3e519295cc66a8bdd987004

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
SignatureBct1+uYI5RMrrZEb+zFCG4vU6vz5EDVHd/GUWSPldQeg95pt9NCESstLz4Qti/S661iv6FCeGEI0McGa5+wECg==
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

2026-09-17T10:21:35.067030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073475
observed 5f5833a0145cd35f4fe496403befc48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.034885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073475/manifest.json
observed e7198a3411bd56d603cfb1b8fbb74089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.016301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073475/publication.md
observed 0b447b61c2590a01e8d894fb678923d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.985948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073475/publication.txt
observed 61832d4fede056dc68391c02b752113b...
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.