OpenTechnical

OT-2026-000104110

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000104110) never changes.

Identity and time

Publication numberOT-2026-000104110 · never reused
Internal UUID01a0aea5-341f-776c-950b-6f91a059db23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104110
StatusPUBLIC

Content hashes

Canonical text083324fb16ecb162c2ff98bf353d7b91a6204a93e164b14f68d2875a52ee13de
Markdownf93231a18f53bdf291949026f1df871db29d16bd940a24947bbf65aab85831e2
PDF
Publication page66a7ec43d8b7e1e1e356e6b2b5d9dffde07446db6535706f6320b9adff20b813
Manifest41553aef190d58816ae5d50fa6b6c0efd70850f3a6800648c534a758cb35d412

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
SignaturexOF/2JCyMAiBCZfVu4x0nkt6iB/JDyfIp/TeadUhs7a7gFHx0Q1+oxwaXDMpV3AktVOZq/+qrcZ755KkSTvAAg==
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

2026-09-17T09:20:11.128739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104110
observed 66a7ec43d8b7e1e1e356e6b2b5d9dffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.109727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104110/manifest.json
observed 41553aef190d58816ae5d50fa6b6c0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.091849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104110/publication.md
observed f93231a18f53bdf291949026f1df871d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.073724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104110/publication.txt
observed 083324fb16ecb162c2ff98bf353d7b91...
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.