OpenTechnical

OT-2026-000038414

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038414) never changes.

Identity and time

Publication numberOT-2026-000038414 · never reused
Internal UUID01a0ae78-2d52-7598-9fe0-325ad5d27e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038414
StatusPUBLIC

Content hashes

Canonical text0f25978176850251d412eddca2d320d7a0a8f54dadd79e572eafa848297e56a2
Markdowne340797f434869401bbc0b6e3a75422a554e4d0aae9a440b916d622fc1da5621
PDF
Publication page2c9ca713f8ccb91931395ec7d0ae51bc8f63e6697e5e184616c1d0289593ae50
Manifest3d14ab881ced435f45194b08c1eebc98df241ca6e5687fd05fea9ccfaf6a0ee0

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
SignaturexrkEiK8jETEXkmHza8CvU2/sSD6ehEZe+rEewEWGEW1s4U1PO08Qv/LqVNslYVGeOLdCBQLkDrL2c7guoAawAg==
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

2026-09-17T11:22:37.469808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038414
observed 2c9ca713f8ccb91931395ec7d0ae51bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.450921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038414/manifest.json
observed 3d14ab881ced435f45194b08c1eebc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.433335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038414/publication.md
observed e340797f434869401bbc0b6e3a75422a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.411116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038414/publication.txt
observed 0f25978176850251d412eddca2d320d7...
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.