OpenTechnical

OT-2026-000084368

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000084368) never changes.

Identity and time

Publication numberOT-2026-000084368 · never reused
Internal UUID01a0ae98-5b62-7f8a-bd49-04a088094f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084368
StatusPUBLIC

Content hashes

Canonical textbc91c67dd68a09893848a64e8d86e39f2c70e793825b3bf37746035e4c1151d2
Markdown120eff4c8708759b00465d324d4c1df51b782e24027486e016dbe6c513566420
PDF
Publication page8636122831b41e1906fce1850a0d4a4f7a94a9b387cb7eb5baffc7bb20d1fd7f
Manifest2353664da2d96f47ab7bfc9bf6a72bbebeba7197c9c0e7c459bd97297708c517

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
SignaturedP6guYe7gZDFVp8tyWFt7W+QF1dMQoArz7hqqRAU1sOAsb2wTfZ4uez47uHaali5bgnbdeSu99sVpy7mrt/0DA==
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

2026-09-17T09:56:18.266072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084368
observed 8636122831b41e1906fce1850a0d4a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.250124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084368/manifest.json
observed 2353664da2d96f47ab7bfc9bf6a72bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.233655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084368/publication.md
observed 120eff4c8708759b00465d324d4c1df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.218337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084368/publication.txt
observed bc91c67dd68a09893848a64e8d86e39f...
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.