OpenTechnical

OT-2026-000038990

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000038990) never changes.

Identity and time

Publication numberOT-2026-000038990 · never reused
Internal UUID01a0ae78-76a0-7818-9f9f-c70add00ab1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038990
StatusPUBLIC

Content hashes

Canonical textf9c989e4e22680227b8645f0fef2b0f5562a50e11b0dec7486af1925d7eefbe9
Markdown3fc080b54943bcf9890ffb34ab0213bb7137522be2e5ad02662049dce6ee532a
PDF
Publication pagec32308ac087cd29ad5ad2b458b564f2769b336c0ce73117e817865fdd421a980
Manifest4af597bd23d54f9e8644a16f6860b3acb05eb85e33ce9f00a68e3c4db89342be

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
SignatureUWsH65r5ktsdZRt6LklDheu922+nzLEHlNT6pRMJy6ttP00rbYShdrCsn15kFP2w9Ssf0dSOT8UpEjmhrCfHBg==
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

2026-09-17T11:22:14.896603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038990
observed c32308ac087cd29ad5ad2b458b564f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.878161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038990/manifest.json
observed 4af597bd23d54f9e8644a16f6860b3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.861654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038990/publication.md
observed 3fc080b54943bcf9890ffb34ab0213bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.844170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038990/publication.txt
observed f9c989e4e22680227b8645f0fef2b0f5...
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.