OpenTechnical

OT-2026-000053535

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053535) never changes.

Identity and time

Publication numberOT-2026-000053535 · never reused
Internal UUID01a0ae85-0a92-73ff-b186-56f01a42b8fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053535
StatusPUBLIC

Content hashes

Canonical texta72ff9b4209a016875a5f87ba38d6a7a1c1e3e45d36c3f8a0b60e4a91d20716b
Markdownab7a8264dbb1acd4bf548cc9e6d109fc1d3084ce47fbf24630af16abc98e1de4
PDF
Publication pagef05e54cd7ed4c49ac6f11a7a896ca9c1eb64d5cbd2c30502691f43c55796dba4
Manifest12ff75a3e31f1fd92e33b6f7ad601327e96098b57114cb860cc1c82c60aa623e

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
Signaturetu+DNpzV9xBo3MSkTwl3wmB4eRaNS72FKHsAMnzO3uRtK8UFzZMgsp+RvpwL/4fTmo4jsef5Fyju8bUQIDL3AA==
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

2026-09-17T10:55:23.225371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053535
observed f05e54cd7ed4c49ac6f11a7a896ca9c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.208223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053535/manifest.json
observed 12ff75a3e31f1fd92e33b6f7ad601327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.189947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053535/publication.md
observed ab7a8264dbb1acd4bf548cc9e6d109fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.171943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053535/publication.txt
observed a72ff9b4209a016875a5f87ba38d6a7a...
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.