OpenTechnical

OT-2026-000092641

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000092641) never changes.

Identity and time

Publication numberOT-2026-000092641 · never reused
Internal UUID01a0ae9d-b5ff-70ac-8157-ecba2ccede18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092641
StatusPUBLIC

Content hashes

Canonical textc20a948c81f8b02f6812931910cb0e20601294c5398b8f886707664e50e18157
Markdown0b9e19a5501bb153cb7aa866bc36914430c5843a08780b85e30b7672bc295747
PDF
Publication paged1d86a82f20e4dc5fb77e14835767cae01f91011d30c7ab22a8558082bd39156
Manifestd176fbceba365b8a2631fa82fc9c052393fa0b9e4329340117bcaa184f11c455

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
SignatureUW2h5iPiYI5UtaPyRsXvSMTR5QDxkMkQp6IqWlN+rB0QW/xv6j3zwe2UaXTjWne11QRGOxyDyXttnjQ6GpG6DQ==
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

2026-09-17T09:41:14.619449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092641
observed d1d86a82f20e4dc5fb77e14835767cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.602813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092641/manifest.json
observed d176fbceba365b8a2631fa82fc9c0523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.586589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092641/publication.md
observed 0b9e19a5501bb153cb7aa866bc369144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.570745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092641/publication.txt
observed c20a948c81f8b02f6812931910cb0e20...
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.