OpenTechnical

OT-2026-000044391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000044391) never changes.

Identity and time

Publication numberOT-2026-000044391 · never reused
Internal UUID01a0ae7c-39d7-75d8-a869-c19eb76cee3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044391
StatusPUBLIC

Content hashes

Canonical textde5ffb357d731fafd09c3e11c2501ad12f8857d24fea23a0517bc3ccc1d7ffac
Markdown45fe231a3b93fc47a133a59d0598df80f970087d75c50da4db38d6cb60649451
PDF
Publication pagedc00c9b6777b18184b57e13cee1a2aa90c8b813637ab1e113cddde5f651cded9
Manifestabc69fd261e51b0065ea5cd049b07cc627ee87c42466c10ca82440a94cd9f204

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
SignatureaJtfU8bKalCXyS/lWMf13tJcVzd/SazGWG4Wv6+je8DvWQz/6Kx6bwBWr1vWGtuiGASp4Ji6rgJ4ZrYKY0zQCw==
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

2026-09-17T08:30:36.994835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044391
observed dc00c9b6777b18184b57e13cee1a2aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.976715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044391/manifest.json
observed abc69fd261e51b0065ea5cd049b07cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.822638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044391/publication.md
observed 45fe231a3b93fc47a133a59d0598df80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.803812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044391/publication.txt
observed de5ffb357d731fafd09c3e11c2501ad1...
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.