OpenTechnical

OT-2026-000019034

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000019034) never changes.

Identity and time

Publication numberOT-2026-000019034 · never reused
Internal UUID01a0ae6e-d523-7dfa-ab1a-f0f27ee50889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019034
StatusPUBLIC

Content hashes

Canonical textbbcf5a11e5c5e5b4a9841b93f4987dcdec964d7cf443c9b4734144dea4d512d0
Markdown043b25bf85b69926c0bbffde9a45adc94d0373c19d44e80d68526ee36e3a3780
PDF
Publication page4155c7a5a53df62f6ae97244c7889968be7a1aa346973c985e1be1374733d512
Manifest08bdf43169d714dd27b014f3f35a209d611dd2f686f1e2546e4898ec7acebf6f

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
Signature+asG5ytLTGX2iXlRLEu+zJIs4IZTKNUP90SIpdYEhDuobvP8Rq4Q5iRQNaGXcbEV4dIPx+7lb7VIf+jABjsZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:43.468890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019034
observed 4155c7a5a53df62f6ae97244c7889968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.449399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019034/manifest.json
observed 08bdf43169d714dd27b014f3f35a209d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.430550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019034/publication.md
observed 043b25bf85b69926c0bbffde9a45adc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.411827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019034/publication.txt
observed bbcf5a11e5c5e5b4a9841b93f4987dcd...
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.