OpenTechnical

OT-2026-000072511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line 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-2026-000072511) never changes.

Identity and time

Publication numberOT-2026-000072511 · never reused
Internal UUID01a0ae92-89d8-718d-9c04-00f8086b311a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072511
StatusPUBLIC

Content hashes

Canonical texta4babb63df19bb9a3cd0636fefc40d40f3a406bbeeeccb78581af347ee9ef4e4
Markdowndbc4a1917505783aa8a37517848af65ef0232239c2b86f9eabf7fe08835efcfa
PDF
Publication page705374b162263ea2eda20430f318c37d943179a9b5c82ffd6ff9aeb3d013eeb4
Manifest3d3e6078fd0594f05903292966fc9c3cde24d152b2261e7fb239500d8eeb6db0

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
SignaturetjJ6yOl91w91ePJiCPXZXXEa+ef9Z8OeRGVc7l6fSqjJUFHnDEnLFOahOTbIwnvcs9cqVOYKp+ZLM0Kxj+NGBw==
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

2026-09-17T10:22:20.395429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072511
observed 705374b162263ea2eda20430f318c37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.376312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072511/manifest.json
observed 3d3e6078fd0594f05903292966fc9c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.359864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072511/publication.md
observed dbc4a1917505783aa8a37517848af65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.342754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072511/publication.txt
observed a4babb63df19bb9a3cd0636fefc40d40...
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.