OpenTechnical

OT-2026-000025972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000025972) never changes.

Identity and time

Publication numberOT-2026-000025972 · never reused
Internal UUID01a0ae71-a83f-761e-9646-2b1274a1ae1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025972
StatusPUBLIC

Content hashes

Canonical textc8fc0908d8de0aa258da08acf2ddec1e4db3abbc75b2a3c4d845e0aa9f9b611e
Markdown99c540a215175cc1b5702dc9df9135a7e48f1f400c198030540af2ea7b8eab65
PDF
Publication page4356a87f5000800c4e3c35b8f7e0ac1298cd4bc9f93e4edfca7744bacd12241c
Manifest82c5c3923bf6eb967def217c905234cd2185f65d6a028249329489ee2f1f37fc

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
SignaturepOuFgyqywTuYfRK7d+/+ZGME+Xy//wfemOaaoVPIfrvWd4LOLH/OGMbw+e5fWGox2FTYUYL+xyavYNexBFsMAA==
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

2026-09-17T11:46:20.424924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025972
observed 4356a87f5000800c4e3c35b8f7e0ac12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.408403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025972/manifest.json
observed 82c5c3923bf6eb967def217c905234cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.392088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025972/publication.md
observed 99c540a215175cc1b5702dc9df9135a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.374230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025972/publication.txt
observed c8fc0908d8de0aa258da08acf2ddec1e...
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.