OpenTechnical

OT-2026-000074136

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000074136) never changes.

Identity and time

Publication numberOT-2026-000074136 · never reused
Internal UUID01a0ae93-7177-7442-971b-72bb12c25a21 · 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-2026-000074136
StatusPUBLIC

Content hashes

Canonical textacbdf911ea6ad54b99584a1f6aae44b4eb64469cf1f19e5b4bb48ecb0b264f3d
Markdown0accc014dd5fc03c0c22ba8615ada4e27d4065b04ed5ff2e7e4eb302da0a3c0a
PDF
Publication page7b7fe35afa624129dcd7f260cd877287e69d0fe8fc6e4cf8dfff496edfed558a
Manifest679106df260eb8619144e9e076a05d79699c73251fe1ba45174fd285e92e8ff5

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
SignatureaNkP9henOqIn+2VXYHo1iuwIwrev9LI+wt/k1ZiWPtWo2DszMcE2+PumaaMQA8+5sIXrwsBmeqjphAIryTdlCg==
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

2026-09-17T10:18:58.762208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074136
observed 7b7fe35afa624129dcd7f260cd877287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.745382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074136/manifest.json
observed 679106df260eb8619144e9e076a05d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.727589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074136/publication.md
observed 0accc014dd5fc03c0c22ba8615ada4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.711032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074136/publication.txt
observed acbdf911ea6ad54b99584a1f6aae44b4...
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.