OpenTechnical

OT-2026-000039399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000039399) never changes.

Identity and time

Publication numberOT-2026-000039399 · never reused
Internal UUID01a0ae78-9675-7997-aa23-bae1da330125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039399
StatusPUBLIC

Content hashes

Canonical text532c52f600c49f87704ff7b9ae7ca51a2e54434e83876593e7dfe81d7c24dec3
Markdownd05c5bd2b545875934e205452009d233d24bc6b1147e1bd4f0816488c9430a51
PDF
Publication pagee2fdbefec099e2b84053fe263e14e8579f3e5476b62d64f0948e6ddc32e82c63
Manifest45edae4acd7ad620a06a4b5c7db9fb01fb99944c6d8079b0ae8437ce8ebca7ff

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
SignatureOpPdQNgNJ5anTGaozXpFSDa7YMt0A/h9yadAFUM1lUY6BXS3laRzCZlGelUyzCO7OytGQri1/4/RhNvPXSuACg==
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

2026-09-17T11:21:00.650852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039399
observed e2fdbefec099e2b84053fe263e14e857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.632348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039399/manifest.json
observed 45edae4acd7ad620a06a4b5c7db9fb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.613665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039399/publication.md
observed d05c5bd2b545875934e205452009d233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.594808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039399/publication.txt
observed 532c52f600c49f87704ff7b9ae7ca51a...
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.