OpenTechnical

OT-2026-000083769

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000083769) never changes.

Identity and time

Publication numberOT-2026-000083769 · never reused
Internal UUID01a0ae98-0417-74e9-8a74-ff4234b8eb7c · 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-2026-000083769
StatusPUBLIC

Content hashes

Canonical text675ded212caf6fb440809388e995a1e2b11c821b6c2b3591b492ecb540a369a5
Markdownccb60a30586e87a9ce99fc69bc805fe5328e20599979f3834d53277c97e33136
PDF
Publication pageba5227d587df1ff4ba50c95626f2d8ca3d1178f491aa35ce350c924e7edea7c0
Manifestd4b2087fd1e64029c64c455bce4431b1c74f0a2f18aff9908306b7769a70b1fd

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
SignatureBzEd/lXD9bZU12DivqQVeANig+MU/IJYktEBjmRO57PnVOmdCoG/9RO0+i1jPFwl4dI4tMdUCBiQHzQDt7J0Dg==
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

2026-09-17T09:57:24.625484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083769
observed ba5227d587df1ff4ba50c95626f2d8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.608876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083769/manifest.json
observed d4b2087fd1e64029c64c455bce4431b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.593617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083769/publication.md
observed ccb60a30586e87a9ce99fc69bc805fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.577592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083769/publication.txt
observed 675ded212caf6fb440809388e995a1e2...
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.