OpenTechnical

OT-2026-000054378

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000054378) never changes.

Identity and time

Publication numberOT-2026-000054378 · never reused
Internal UUID01a0ae85-b3aa-78ba-b436-22bb5255a08f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054378
StatusPUBLIC

Content hashes

Canonical textaf92b32a25b4575ef12ad230dca17a4e507cbf4e9b09e0a39d66d12801eadd66
Markdown6a2cd907386301caa696ed19253168449f36b0020656a80b225653b0b674d528
PDF
Publication page135c3903f60ebee2fb799ba149471256ed5d0a0f9a81e7ac97d0fef78f51f445
Manifest45fba58a70c7b51df3748b56b2a70ac5ff9689265db78d238cbed745a2d329fb

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
SignatureSIhcIFQV/1rt22JHr/mHpVXn3xCOUwIfS533DLUSz0qFSHFm6PNOI2yE1IB8wjODGvV/Pfj09z/YaNOQlYjnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:54.703135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054378
observed 135c3903f60ebee2fb799ba149471256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.683033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054378/manifest.json
observed 45fba58a70c7b51df3748b56b2a70ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.664107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054378/publication.md
observed 6a2cd907386301caa696ed1925316844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.644915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054378/publication.txt
observed af92b32a25b4575ef12ad230dca17a4e...
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.