OpenTechnical

OT-2026-000102030

Publication integrity record

Four 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-2026-000102030) never changes.

Identity and time

Publication numberOT-2026-000102030 · never reused
Internal UUID01a0aea4-50f1-75cb-9fd4-b0faf7fdb3eb · 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-2026-000102030
StatusPUBLIC

Content hashes

Canonical textd964aa68e5084f84c394e7e9e08a399512c72990d13db11bd1fd66778bbc39ab
Markdown2ef074a32e5c2a241fc879b57ce8839d500bd4b739c42ef3e68d96b90f7cfe98
PDF
Publication pagef21038b9859a7522dfafb9cef9b30a3368ba4c3e05f1570f091baef3d49952af
Manifesta1a4fb79b8f7f741ec8b87ed3723d6714d258bf20da674c140e360cf77d86f1f

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
SignaturepLCOlIye90rk8v6LCUwnpcJkzhyUCZnegqNGr1Qv1Jka6Iv9YaklhwNnuwgL6fbrqBiCe836xlpzppij4ObqDw==
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

2026-09-17T09:25:09.934048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102030
observed f21038b9859a7522dfafb9cef9b30a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.916916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102030/manifest.json
observed a1a4fb79b8f7f741ec8b87ed3723d671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.899549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102030/publication.md
observed 2ef074a32e5c2a241fc879b57ce8839d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.881517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102030/publication.txt
observed d964aa68e5084f84c394e7e9e08a3995...
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.