OpenTechnical

OT-2026-000072487

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000072487) never changes.

Identity and time

Publication numberOT-2026-000072487 · never reused
Internal UUID01a0ae92-89d8-78ba-97d7-1c0c0a1fa031 · 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-2026-000072487
StatusPUBLIC

Content hashes

Canonical text36c3ae445e0223016928a67d3c511070e2e391af7d225dac8e60fac114c95b53
Markdown5b3509e37575bc21cfa632cab745a37e651e8c417774f422b9b9c5d12e3a5807
PDF
Publication pagea5e60b9bda4844330d3db45e389dddda74c85bdad8b3f75d2782e6c852b0bed1
Manifest84ea4cd5e9b3154695b60ce46ccb4b4bbc8cae258db66c5969935a5de709cb60

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
SignatureENVX8kpJ2YZHgLK17ssEp4xfwMB+qzwpS99f5VgRgcHD535eFVGagr5zT3y2dNYrh/bo2NTv/kLzBDhQGxj/Cg==
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

2026-09-17T10:22:18.859401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072487
observed a5e60b9bda4844330d3db45e389dddda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.841501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072487/manifest.json
observed 84ea4cd5e9b3154695b60ce46ccb4b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.821791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072487/publication.md
observed 5b3509e37575bc21cfa632cab745a37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.803578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072487/publication.txt
observed 36c3ae445e0223016928a67d3c511070...
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.