OpenTechnical

OT-2026-000097268

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097268) never changes.

Identity and time

Publication numberOT-2026-000097268 · never reused
Internal UUID01a0aea1-01ca-7154-a9bd-69aec726d866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097268
StatusPUBLIC

Content hashes

Canonical text42ce8eeaa53726cee31bcc27842618a9ad8d3c4e140d070aa81320c8ee576c5f
Markdown88b685c2d4061f0eea3d0221fcbf8890c7f34aa43e18ed55089f16a29a7c35da
PDF
Publication page509c798b88bd9f55e71a9a63c99f8ddc65a8c7e9e77c0654c0c8f40927a788c8
Manifest8d29c784807a420483be1eb67cd40e6d37cf889556c4d1c32cc794b958d7e2ca

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
SignatureVuiJN02fS4oiqB0TtHlUl658GlIVX7/0YI7SpXFK2PIu0gf2/SND2W2CA43TfAuB1iqxUe72OT3e7Wl1Xm5bBw==
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

2026-09-17T09:33:31.641881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097268
observed 509c798b88bd9f55e71a9a63c99f8ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:31.624402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097268/manifest.json
observed 8d29c784807a420483be1eb67cd40e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:31.606938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097268/publication.md
observed 88b685c2d4061f0eea3d0221fcbf8890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:31.590044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097268/publication.txt
observed 42ce8eeaa53726cee31bcc27842618a9...
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.