OpenTechnical

OT-2026-000004366

Publication integrity record

Porous face vacuum gripper, two outlet manifold, plant vacuum fed, pressure verified at each zone

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-2026-000004366) never changes.

Identity and time

Publication numberOT-2026-000004366 · never reused
Internal UUID01a0a915-5233-7068-b0e9-677caef9cfa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:19:01.942241Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004366
StatusPUBLIC

Content hashes

Canonical text6cb8444f2d9677a702c08d839c29b0152301685221454acf5286db922ca06eed
Markdown92d0ce435426007b0e3427265e652b08a4994784c2ac0014920cdda2f708d2c4
PDF
Publication pageb353579d706c4984f377785b882fc33fc120b13c9b22df869f6907c8fd1b10f7
Manifestc774eadce5159db78070326c5b5d203232a73b6f214d4b727860b4dc0810daca

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
Signaturet+jw+3SQNMowC+MTwirnSSH7ApvYd/VMM3cVEumtonvdyw5DmPrZOaKlMV6ivMczv17J4k3nkP2VlRmSbtInBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:05.979860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004366
observed b353579d706c4984f377785b882fc33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.966864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004366/manifest.json
observed c774eadce5159db78070326c5b5d2032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.954037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004366/publication.md
observed 92d0ce435426007b0e3427265e652b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.941208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004366/publication.txt
observed 6cb8444f2d9677a702c08d839c29b015...
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.