OpenTechnical

OT-2026-000074963

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000074963) never changes.

Identity and time

Publication numberOT-2026-000074963 · never reused
Internal UUID01a0ae93-ac2d-7f51-9c57-bb1623bb61f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074963
StatusPUBLIC

Content hashes

Canonical textab32afceb10757faa61e7bcde7aef9cc42208a121b1afad2741ae6837ab7d84b
Markdownffa761984012824d27e08dbbceb52b4c29e036bedb208454edd2d114e21478a0
PDF
Publication page5498a31618aafbc2589bf172d8b21a2e2c86f69fc9cd12cce94de72250406ab1
Manifestfbf15d1ce7781a3477d14e8b1ae43c78520942f4e67cf1d9c7309d1b93a9bceb

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
Signature6ZC0ANbc1tgUBO5R8EpW+iM8VC6OESu48lDXoNAPaUSwUfl+gtzqHSxPAdFOSVMlvbna+GLyCRB8D7B0QFpEAw==
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

2026-09-17T10:18:45.794810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074963
observed 5498a31618aafbc2589bf172d8b21a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.778174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074963/manifest.json
observed fbf15d1ce7781a3477d14e8b1ae43c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.761668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074963/publication.md
observed ffa761984012824d27e08dbbceb52b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.742106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074963/publication.txt
observed ab32afceb10757faa61e7bcde7aef9cc...
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.