OpenTechnical

OT-2026-000044447

Publication integrity record

Three 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-2026-000044447) never changes.

Identity and time

Publication numberOT-2026-000044447 · never reused
Internal UUID01a0ae7c-39d7-70dc-9063-2fc667e56868 · 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-2026-000044447
StatusPUBLIC

Content hashes

Canonical textb14302b010dccacca61936f32d7dd80979c592aec4cbe43996b7e86474dd08a8
Markdown97895ad8cab75a0c8f4cd9e651d52262746ae99a6f359bd9e49b0cabeaa705b2
PDF
Publication page8c1c0f66fb06f945466a674af384fd3c4660eda12d7db48a69277a6ae8bdc613
Manifestab85a042b316156a0e2b87ae1351553f5286001033e37d89681f80abb1571337

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
Signaturei642IyD388NiF2LwOVcMNGQh0k1fkRVIOa8hRjGN+93mktdLWxEi15RWr3JgADZxtC2d8DB7lbbLbIQyGXuABQ==
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

2026-09-17T08:30:48.257225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044447
observed 8c1c0f66fb06f945466a674af384fd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.234027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044447/manifest.json
observed ab85a042b316156a0e2b87ae1351553f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.216764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044447/publication.md
observed 97895ad8cab75a0c8f4cd9e651d52262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.075904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044447/publication.txt
observed b14302b010dccacca61936f32d7dd809...
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.