OpenTechnical

OT-2026-000075408

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075408) never changes.

Identity and time

Publication numberOT-2026-000075408 · never reused
Internal UUID01a0ae93-f201-7d66-9e6c-0497d3117049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075408
StatusPUBLIC

Content hashes

Canonical text0c35790e67942ca690f857b5c27fefd72b30123c3abe13c3a7a9d3460318c745
Markdowncd60e2d1470dd98d7c6e0f9f593d6137e05cc944773316341f5ed5e5d9649818
PDF
Publication pagede04edf5a87701bbaf7dad76e48ab04bf6eb43d79f95647348359a3eef265abc
Manifesta57edb831e7ef64527fe006f78b9bcab1aa0e66911d07271a211a57f1b0d8763

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
SignatureajoQlFPt3e39Zlui/iT3KU+IU8b56uuhoMOYvqIv/JFKOnWy/nIn0g6SQIHZQFEnY3zslFGHg5M7GvMC3AWhDg==
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

2026-09-17T10:17:31.531113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075408
observed de04edf5a87701bbaf7dad76e48ab04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:31.512605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075408/manifest.json
observed a57edb831e7ef64527fe006f78b9bcab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:31.492883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075408/publication.md
observed cd60e2d1470dd98d7c6e0f9f593d6137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:31.475593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075408/publication.txt
observed 0c35790e67942ca690f857b5c27fefd7...
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.