OpenTechnical

OT-2026-000070223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070223) never changes.

Identity and time

Publication numberOT-2026-000070223 · never reused
Internal UUID01a0ae91-545e-7a3d-8853-4edef19708e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070223
StatusPUBLIC

Content hashes

Canonical textaae8083bc6929f7e8876e3b1e7538ece43c2c25a7e77ae689703d0d301f6e2bb
Markdown12f296abc1286eefbf96055ce7535dd1442ac006e0ecf0313ed106a3e8aed83c
PDF
Publication page28e27594aa29998b414446cb1921aaab8decb0228b123958d0ff7f2c05f72d02
Manifest425a8976791a90faca213bb8bcb3fac4258e1e9fc2d88e447d4802732cc098ae

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
Signaturev7Xfi0nr5LGXJ++o8mmr7cxfrUNbwnF8pjrhkL5Gyk7tyuN0MTPe7fnyPcXj8OlrqVW6+PMrQ2RrG1rWz2BwAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:59.580851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070223
observed 28e27594aa29998b414446cb1921aaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.563651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070223/manifest.json
observed 425a8976791a90faca213bb8bcb3fac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.545694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070223/publication.md
observed 12f296abc1286eefbf96055ce7535dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.527761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070223/publication.txt
observed aae8083bc6929f7e8876e3b1e7538ece...
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.