OpenTechnical

OT-2026-000083841

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained 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-2026-000083841) never changes.

Identity and time

Publication numberOT-2026-000083841 · never reused
Internal UUID01a0ae98-0418-7a14-bdf1-190d95b0d0bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083841
StatusPUBLIC

Content hashes

Canonical text45f6797841cb1302768decbf32a71d6e4bc6b7d86b02a96bb909882b7ccd29ad
Markdownfad6552797b1550f86f6ae16d52421454f11623436df14c381541aa21ad15073
PDF
Publication pageefbc7bf0e7483be90b69b723ae8722638a8a9d74489ff2f937e9436ff2026ca4
Manifestf753b83c56fa80fc64083d1537aeeeec856ffba3f598e852dd7ebb0f8dec65c1

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
SignatureUXaS01TvQx447fJ1qabD6yF/9rx+mdAohH7rgM5KvFmGuATJK45FGGGCbClWSFllc84/hu5yzJEX18I8s6H2Dg==
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

2026-09-17T10:00:07.173358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841
observed efbc7bf0e7483be90b69b723ae872263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.148617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841/manifest.json
observed f753b83c56fa80fc64083d1537aeeeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.127442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841/publication.md
observed fad6552797b1550f86f6ae16d5242145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.106352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841/publication.txt
observed 45f6797841cb1302768decbf32a71d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.934678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841
observed efbc7bf0e7483be90b69b723ae872263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.917901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841/manifest.json
observed f753b83c56fa80fc64083d1537aeeeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.900892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841/publication.md
observed fad6552797b1550f86f6ae16d5242145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.884718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083841/publication.txt
observed 45f6797841cb1302768decbf32a71d6e...
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.