OpenTechnical

OT-2026-000022148

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000022148) never changes.

Identity and time

Publication numberOT-2026-000022148 · never reused
Internal UUID01a0ae6f-f4fb-7858-b657-ee1da59413a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022148
StatusPUBLIC

Content hashes

Canonical text3037022628f5b39c4ff3734216291920c446445f582a46570ae5afdf4e74faa1
Markdownb031c4dcfe1bbd483a65e7784b8040c54e8f0b6d3fd134a8928b5577460f63cf
PDF
Publication pageb602aaa29ac2c9e700d94fa78c667c89be8b418ba23006ae5ce704fa920c97fe
Manifestc8d5f0a9cf54ac5b50ddc59a7c2f74752aff18b33f8071f655a3a49be7521068

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
SignaturekiwB12iL362oTRHFvBqz7oXdEI+8H6Adkr/IghKPN9VZRXTTFiqB0jyl6rPgGDQUR8LU6ojdwGeyROGQ9b1MDQ==
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

2026-09-17T11:52:49.506166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022148
observed b602aaa29ac2c9e700d94fa78c667c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.488694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022148/manifest.json
observed c8d5f0a9cf54ac5b50ddc59a7c2f7475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.469580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022148/publication.md
observed b031c4dcfe1bbd483a65e7784b8040c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.451759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022148/publication.txt
observed 3037022628f5b39c4ff3734216291920...
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.