OpenTechnical

OT-2026-000078897

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078897) never changes.

Identity and time

Publication numberOT-2026-000078897 · never reused
Internal UUID01a0ae95-ccbd-753e-be40-51487185e9e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078897
StatusPUBLIC

Content hashes

Canonical text49135424f49e16e1a31a888b7a17f313a0314ebe532a810a46f4688246a357cc
Markdown630e135d3f230997b5597204676784816c0580181f541987ba3c4c1d2aea4f44
PDF
Publication pagef00d548a6da2d76f43ccad740c717a8cc13b7fd6149b2afb9a491e707a491892
Manifest95a4731dde0abc6a6ecaea3880d12439dd3ba7ac5b9314fb43c4f88e7612bc38

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
Signature7Cw/dSj/Tc71I/26zIwWjFGZqeV68779PwqkQIZeN+2Vgs4wrVjlS7nrftu5mjgRy1eG+NG5YyMc2hbCWPV4BQ==
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

2026-09-17T10:05:42.454172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078897
observed f00d548a6da2d76f43ccad740c717a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.436146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078897/manifest.json
observed 95a4731dde0abc6a6ecaea3880d12439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.418913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078897/publication.md
observed 630e135d3f230997b559720467678481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.399661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078897/publication.txt
observed 49135424f49e16e1a31a888b7a17f313...
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.