OpenTechnical

OT-2026-000103763

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103763) never changes.

Identity and time

Publication numberOT-2026-000103763 · never reused
Internal UUID01a0aea4-e463-7d70-bcc0-8d3b42e16a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103763
StatusPUBLIC

Content hashes

Canonical textd254b01e870d70c90806fcc48099d372aa19124ff93d1081b1152a26d01b7633
Markdown9ad0d267c5e56d0d4cfa89ba343fd6d7ed4c7293a4f81da3933cc5d22b3e4c98
PDF
Publication page94629583c09686961268b5ee8811df3b229f645792930a1a91011d56406f9d71
Manifesta9fbccabd95efaddf922031d37503038dcfff2bab8a56a8b1f7aa7bc6ca31aee

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
SignaturezWRq/csGx+wWqQama0GwMEcSIcrX6t5x2Q6h/+3tTwstf10eIMbX3RzuBIl0iO8J4qevymsMIeZp3EF1ftlOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:03.787659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103763
observed 94629583c09686961268b5ee8811df3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:03.770105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103763/manifest.json
observed a9fbccabd95efaddf922031d37503038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:03.741943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103763/publication.md
observed 9ad0d267c5e56d0d4cfa89ba343fd6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:03.689849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103763/publication.txt
observed d254b01e870d70c90806fcc48099d372...
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.