OpenTechnical

OT-2026-000018683

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000018683) never changes.

Identity and time

Publication numberOT-2026-000018683 · never reused
Internal UUID01a0ae6e-d520-7769-82e6-5bdd8b1796da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018683
StatusPUBLIC

Content hashes

Canonical text7ad502724891d766824d89936ad51a1605a063b2c4559e6e7a985c79759d33de
Markdownf5ac7cb780b1a35765fe439211bf0c0765dff14b14ac99c12857d6e7c290c38a
PDF
Publication pagef77ed84d9d096c287ab4c92d4187156ab63e43e7b3cccf0c3c9469051bf02486
Manifestc7d5d97b26962d0829ae245cf18d2e8cdf17082c277a4eabfd2e5e06f9886afc

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
SignaturexBjqlL17ZO5RY+rTmD7hDjBMhWKVTjBzz5pssn6nKEX743u4HFRKClReOaF1mZ09fRWol2keJAlG/5iklvkWAQ==
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

2026-09-17T11:59:16.819875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018683
observed f77ed84d9d096c287ab4c92d4187156a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.801044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018683/manifest.json
observed c7d5d97b26962d0829ae245cf18d2e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.783601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018683/publication.md
observed f5ac7cb780b1a35765fe439211bf0c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.764039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018683/publication.txt
observed 7ad502724891d766824d89936ad51a16...
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.