OpenTechnical

OT-2026-000103894

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000103894) never changes.

Identity and time

Publication numberOT-2026-000103894 · never reused
Internal UUID01a0aea5-15e7-77e6-a160-efefc48697ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103894
StatusPUBLIC

Content hashes

Canonical text15316ff847e54c05381218f801b1b805154e60630a69db54212cba2c7fdf6a95
Markdownb976f9be749072bedcd7336e936ed07b48c8431492d507a02bdcb54f9f50ff7f
PDF
Publication page1149e972d516b962b089ef316b386b88e9e4d2e064bd19a11e165c96108c2826
Manifest614646e742856d43ca8cc7784160445cc3771ec65cae682c1ba24d18ff09634b

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
SignatureDP3qQlvvaBFj79rOeWvdCLohf0c+99wBKmjn4Yny+btDeKmd+2fU21qKRyTvvz8G+NkshKBhlJHOF9VaQYtTBg==
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

2026-09-17T09:21:53.011523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103894
observed 1149e972d516b962b089ef316b386b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.993444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103894/manifest.json
observed 614646e742856d43ca8cc7784160445c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.976523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103894/publication.md
observed b976f9be749072bedcd7336e936ed07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.957946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103894/publication.txt
observed 15316ff847e54c05381218f801b1b805...
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.