OpenTechnical

OT-2026-000088638

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088638) never changes.

Identity and time

Publication numberOT-2026-000088638 · never reused
Internal UUID01a0ae9b-8f0f-701f-a282-6c758cebb346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088638
StatusPUBLIC

Content hashes

Canonical textaa76236c2d37a7d14220ed4b5b9933eb68a68dfdae6647ddd639880dc3c6557c
Markdown88130e4d8bedf16306d4643b13e561b998f8b0a412eede8b1156bafb75a02353
PDF
Publication page71d7e7a36199bafa3955e82de48be00bf2effa0df85a63af858579403c7092cd
Manifestf2f2530dc004d18fdaf79b8d0c59dffbeb6bfe7e0661262f96726645fce43087

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
SignaturemuQ8PCIi9m8OC/iGrf8v5g6xesWuOMbS1xMsd1Am3F0cA9HVSHSTj2F6Z/TPkLrNl3MJSO5W2ntDWfhTo5D/Cw==
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

2026-09-17T09:47:50.991660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088638
observed 71d7e7a36199bafa3955e82de48be00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.969448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088638/manifest.json
observed f2f2530dc004d18fdaf79b8d0c59dffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.948111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088638/publication.md
observed 88130e4d8bedf16306d4643b13e561b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.927021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088638/publication.txt
observed aa76236c2d37a7d14220ed4b5b9933eb...
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.