OpenTechnical

OT-2026-000031896

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000031896) never changes.

Identity and time

Publication numberOT-2026-000031896 · never reused
Internal UUID01a0ae74-bad2-7de0-a58e-5d200397bc7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031896
StatusPUBLIC

Content hashes

Canonical textbc3dba76af32d81780571c74988cd13b95105decff909e6fc1b22365ff0c15d4
Markdowne10c41cfdb3764df19331c4814f8ba857dc8e35f9e1753a2857666bf2bb4a990
PDF
Publication pagef360b22986179bddaf349e33e13cddbbf02923ef135c9faa779cdbec9386ab09
Manifestc569f02f8ab92f746d63f949a0aa9a21e8eeae8ba8f72b62db31bfe7a8efc995

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
SignatureEu93h+GSsKDfnQrrtREtERZ96WFmHd51AaLCxZjKnrc1ILQlJBXfds/u7Zi+VenSZWeindrqnBDd4HbF5fQ9Dg==
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

2026-09-17T11:35:09.885560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031896
observed f360b22986179bddaf349e33e13cddbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:09.867322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031896/manifest.json
observed c569f02f8ab92f746d63f949a0aa9a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:09.848497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031896/publication.md
observed e10c41cfdb3764df19331c4814f8ba85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:09.823445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031896/publication.txt
observed bc3dba76af32d81780571c74988cd13b...
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.