OpenTechnical

OT-2026-000102316

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000102316) never changes.

Identity and time

Publication numberOT-2026-000102316 · never reused
Internal UUID01a0aea4-50f4-76cc-bcb4-7fb0ba29d805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102316
StatusPUBLIC

Content hashes

Canonical texteee3dbf2d9e3af059b47aecd12ebb6475ca8c78556954df3268fd9504c3c44d3
Markdownc3bc22ebfeae5c26316c34901b620c3cc3b731e192a24fb5ef5e9e373c805651
PDF
Publication page70d59d0fea33dc349b2b768ccccb63b199763770dcf878feb001c0fb3c3190ba
Manifest4a788b28acf19374fabbfbed1463199c8d20db02982e0d571b62958e9595a460

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
SignatureA2shTSy4ayhExvCtRj31dGn2ymfIqWqAqhJYwwxoXvUkS38koCOr9NMjHIXTRTpFIr7eRNUIMUA6enLoGGkyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:30.829546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102316
observed 70d59d0fea33dc349b2b768ccccb63b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.808934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102316/manifest.json
observed 4a788b28acf19374fabbfbed1463199c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.789474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102316/publication.md
observed c3bc22ebfeae5c26316c34901b620c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.769956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102316/publication.txt
observed eee3dbf2d9e3af059b47aecd12ebb647...
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.