OpenTechnical

OT-2026-000081812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081812) never changes.

Identity and time

Publication numberOT-2026-000081812 · never reused
Internal UUID01a0ae97-0f75-7973-aa97-c95b6cb12351 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081812
StatusPUBLIC

Content hashes

Canonical text4e4152a7f8f9cd54a305617132f6fd267b0d3d1cf474ff7226e103332a3b5d06
Markdownc71bf2de8bf9f0842e5789838e60e06cacf5d65aaa69aff0c596481a09637457
PDF
Publication page86e85f9cb144b202a1be3d0bdc753313ff5f6096377ef8950529ff7d667b80b2
Manifest59296d571adcdeb9a289a8ed047686c8bdd0c4e01247e348735cecc35d8058db

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
SignaturehamM0u3FX6x1nA7QGOgNhfEyyTcpewYv5yvBIWuXk6uH9JJilsfo2VO58OyGlkou2dONn6g86PMpdl6LZBZ0Bg==
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

2026-09-17T09:59:54.972313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081812
observed 86e85f9cb144b202a1be3d0bdc753313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.953537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081812/manifest.json
observed 59296d571adcdeb9a289a8ed047686c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.934472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081812/publication.md
observed c71bf2de8bf9f0842e5789838e60e06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.916103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081812/publication.txt
observed 4e4152a7f8f9cd54a305617132f6fd26...
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.