OpenTechnical

OT-2026-000015450

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000015450) never changes.

Identity and time

Publication numberOT-2026-000015450 · never reused
Internal UUID01a0ae6d-ef4a-7095-89ba-f8f63802f3dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015450
StatusPUBLIC

Content hashes

Canonical text3a1614fc333af2dba25a025b5f73468ceb5370fc71544058022f03380257e00e
Markdowndc23829b9f3e6dbb6ed0207132c9b3640d476e8289e1856222df4ff826a61d06
PDF
Publication pagebd7821b666f1adf4f0d3a35322dbc2cdeebf7eea7206a51231788c6c6789c0a8
Manifestf382f0d1e31ad68750dbe9de17af974acf362dcea135cfee4e83214bea5fc70b

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
SignatureBK/KYsJj7zGeFq3qxUOnLUp64ueEigImj34MKTCfK7CcoMYyKIZCkfUsk96lEHSDuESt4P2JO4/35QYMJBTCAg==
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

2026-09-17T12:06:11.831715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015450
observed bd7821b666f1adf4f0d3a35322dbc2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.811337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015450/manifest.json
observed f382f0d1e31ad68750dbe9de17af974a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.791794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015450/publication.md
observed dc23829b9f3e6dbb6ed0207132c9b364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.769686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015450/publication.txt
observed 3a1614fc333af2dba25a025b5f73468c...
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.