OpenTechnical

OT-2026-000032804

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000032804) never changes.

Identity and time

Publication numberOT-2026-000032804 · never reused
Internal UUID01a0ae75-4841-7850-bd41-bdc92576c670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032804
StatusPUBLIC

Content hashes

Canonical textdcc1a848457b437966d4038d3202e38e8aa50467e8db17c9296af59587b3daf9
Markdownfab460f99c6600131e6534da90c0f140db7470a56e20b33483917f74a2f4e32a
PDF
Publication page24767fd8f230207431be179ada6b9569f3ddf4bdde9ff64866f741ded96b484a
Manifestba4bb9186892338739089331e63672797186667b4bc31f912d1c1820a7dbb6d6

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
SignatureVWbMiAs8lL1/7RQ2Ble4F6eklVuHkdC+vSVgY4OM3ANdQBr6Z+iHyBfM1EmoegqwjoFkur87ZHu/D8JjFTgvBA==
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

2026-09-17T11:32:15.176649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032804
observed 24767fd8f230207431be179ada6b9569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.158511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032804/manifest.json
observed ba4bb9186892338739089331e6367279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.141101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032804/publication.md
observed fab460f99c6600131e6534da90c0f140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.119849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032804/publication.txt
observed dcc1a848457b437966d4038d3202e38e...
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.