OpenTechnical

OT-2026-000074518

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000074518) never changes.

Identity and time

Publication numberOT-2026-000074518 · never reused
Internal UUID01a0ae93-717b-77cf-bf02-ce3277856452 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074518
StatusPUBLIC

Content hashes

Canonical texta0263d051583523c03364d122da3e21edc5a7d85ee98fe484bbc5bc8850e9d0c
Markdown8ddde4f913b03b2f038ae3ab9157f4957e4d02117eb36fdd951a9f55d3c1e548
PDF
Publication page76e862bf15c16dc2014fe45d871bda6024c606197387821e0c45e267e872e0a2
Manifestf636a0804c38aa07cd5cc3d4168ac21f2196ac950c8de772466f8b79ab640cf8

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
SignatureGzZnY/aQ09B7xIBql2Kk9KDEYJPWU9fq1ZHsBp7Ri6K/qPQGWM7KWQqRBigZa6Cvi2UbuHvJkDHGv24XV114Bg==
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

2026-09-17T10:19:29.699461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074518
observed 76e862bf15c16dc2014fe45d871bda60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:29.682944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074518/manifest.json
observed f636a0804c38aa07cd5cc3d4168ac21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:29.666829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074518/publication.md
observed 8ddde4f913b03b2f038ae3ab9157f495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:29.648157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074518/publication.txt
observed a0263d051583523c03364d122da3e21e...
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.