OpenTechnical

OT-2026-000073612

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000073612) never changes.

Identity and time

Publication numberOT-2026-000073612 · never reused
Internal UUID01a0ae93-2b8c-774b-84c4-87e317df1202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073612
StatusPUBLIC

Content hashes

Canonical text203a0ef88e976fc522544b12d0acecdb2ce6bf6311e6e35998ec4f23d78d90ee
Markdown382b05a0e3a829536e6e728fb38849f8ef4948667b106f94b3f592a28caaee4f
PDF
Publication page1bf1c90a5e2915e674db2696c86db2f37ad325d385dc10b6e55ca353cfb3aa29
Manifest10b91fb33bc686466581d286802f0b5ba1c2e5ccfeb4728fd07fe6784239232c

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
Signature2mGbuHhQmcRfZBSR114w3lBJ8B9+Dwnfe5d3OvfsW7OLusy+fLnPypQZ7F234q1TofNyhKL50rbJJc6w9M+oAg==
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

2026-09-17T10:19:38.977735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073612
observed 1bf1c90a5e2915e674db2696c86db2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.959116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073612/manifest.json
observed 10b91fb33bc686466581d286802f0b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.942393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073612/publication.md
observed 382b05a0e3a829536e6e728fb38849f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.923706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073612/publication.txt
observed 203a0ef88e976fc522544b12d0acecdb...
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.