OpenTechnical

OT-2026-000069263

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000069263) never changes.

Identity and time

Publication numberOT-2026-000069263 · never reused
Internal UUID01a0ae90-b528-7f0e-9914-e8a5e793dd8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069263
StatusPUBLIC

Content hashes

Canonical textc84ba66ec1b6dc7138901e30f29ed9a1b67a6cf6a8b2611dab67cac7ce545f06
Markdownd385d7dd4dc51e6fc28f7477df89602634ce3900837a9b15e79adc3c2595d726
PDF
Publication page4c97db340799782b8f39384cddd71205f66b0da4dbdf372e82a55d67f436ef0f
Manifest56aaffdda08bcef34166dc62d1db285cdbfd9be04c3172bae997303d22522f26

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
SignatureUZXEIb/S/5X1FasvaAZV7XYo07euBlg5rOGbA+6WeTFeBv7YyoM540Zn2Addzwf5zufMLxpjX5f62bCQBvVdDA==
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

2026-09-17T10:27:20.672052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069263
observed 4c97db340799782b8f39384cddd71205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.655487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069263/manifest.json
observed 56aaffdda08bcef34166dc62d1db285c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.638743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069263/publication.md
observed d385d7dd4dc51e6fc28f7477df896026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.620574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069263/publication.txt
observed c84ba66ec1b6dc7138901e30f29ed9a1...
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.