OpenTechnical

OT-2026-000039990

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000039990) never changes.

Identity and time

Publication numberOT-2026-000039990 · never reused
Internal UUID01a0ae78-d8d7-79c3-8298-93785f221aa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039990
StatusPUBLIC

Content hashes

Canonical textb58d43e2e26216e0d5bebdcef1ccbc0371ce2777b53780335deb4a95622ff5aa
Markdown36db90cc52316f163933e1956ba945306a2a17a61bb0bf3476ea3826a7791201
PDF
Publication page76e17a6243962e3f0f959608991392c83806709dfa528e58130cd73ea81749a2
Manifestb43e068ca38c0c16bdc60aa5551f0cb47c5cb8bd870b828873902485d0389ce6

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
Signatureg4U29lbE9GYi/4U2j6OrkrNr7GMH1wCjIszdWcpk/X+j4nXdUEkcxYGmNcQP0zPVCIUQqA4yBJ25Bi4P552VAQ==
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

2026-09-17T11:20:19.345582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039990
observed 76e17a6243962e3f0f959608991392c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.326689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039990/manifest.json
observed b43e068ca38c0c16bdc60aa5551f0cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.308543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039990/publication.md
observed 36db90cc52316f163933e1956ba94530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.290432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039990/publication.txt
observed b58d43e2e26216e0d5bebdcef1ccbc03...
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.