OpenTechnical

OT-2026-000015809

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000015809) never changes.

Identity and time

Publication numberOT-2026-000015809 · never reused
Internal UUID01a0ae6e-0c4c-724a-bcc2-f335b6944c27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015809
StatusPUBLIC

Content hashes

Canonical text823ab81b1d42479aa47e177ea977f6687b4c1d8e0b0e23d2f4afd44c5f309814
Markdown6d7f531ea15d3508e3d5cf740510d53094fb9efc3cc5ec33cf9b12450c214571
PDF
Publication page3658e87386bd757c94c0831d974f8464095f970a017ef362bce1ee8c02f6341e
Manifestf940ea311cc2b93428410d4015745afef8dd062b8db43a40e70899d75fef8069

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
SignatureQhhzabc9ObX6p1vgxjUjPIbM1BwQg5vMW/n1S0z9H73Loud+8XwovizmSw1sq/SAoxWwVRpCNeeCPH/owTKABg==
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

2026-09-17T12:05:07.138857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015809
observed 3658e87386bd757c94c0831d974f8464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.120081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015809/manifest.json
observed f940ea311cc2b93428410d4015745afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.077123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015809/publication.md
observed 6d7f531ea15d3508e3d5cf740510d530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.031577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015809/publication.txt
observed 823ab81b1d42479aa47e177ea977f668...
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.