OpenTechnical

OT-2026-000056153

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000056153) never changes.

Identity and time

Publication numberOT-2026-000056153 · never reused
Internal UUID01a0ae87-0a4c-723f-8195-2755da78b4da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056153
StatusPUBLIC

Content hashes

Canonical text6d711c421708542b60e2b478338732c4ad8866447bd70489941acf8638ac1ae7
Markdownd849c785f6dfbe0d2f5e5e4c7ae24f054725fe84b4acfe13f7b9e411ade10042
PDF
Publication pageeb9821c6322292f37f92ff4ef36f2518d2d00f917c0234be0f3781a9bf5d1bed
Manifest70852f3930f2d59b15948cff81b44a11245a989612fb2788b5dc0f29ff0c19f7

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
Signaturez0lJX0bsunRfZtWXM1h/KiGfbekdA7wkB4RLbWS5leAPVaeVCDEPCNFualjin+FCgJWJ4gVelwEdj+NRFZndDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:42.508333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056153
observed eb9821c6322292f37f92ff4ef36f2518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.489658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056153/manifest.json
observed 70852f3930f2d59b15948cff81b44a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.471838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056153/publication.md
observed d849c785f6dfbe0d2f5e5e4c7ae24f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.454923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056153/publication.txt
observed 6d711c421708542b60e2b478338732c4...
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.