OpenTechnical

OT-2026-000097081

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000097081) never changes.

Identity and time

Publication numberOT-2026-000097081 · never reused
Internal UUID01a0aea1-01c9-7612-ad22-888c079c7eae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097081
StatusPUBLIC

Content hashes

Canonical text003e5026d4668518b4c452d2217a35e9e73ce4979ca7a6b5e034e71a739ee173
Markdown88d04fd3b1508fa47d20975cfe83fcc149b85be26ee853b69a3f51bb7de56666
PDF
Publication page718c7c65585bca8f92a01eb23f817b2dd723ebd527e88115c35fed61b8039eab
Manifest00b4adf90ee167bf3ff83e5378ca4e8032cc879cf479888da4a89bc7f10c09e9

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
SignaturewqlBvLZ8ezo1cD7hpGCrjSJY6+xQW9hH+yaQDTGgglrlqFYCmErjNDawE2gvixZ61Q5qJoTLfk7XHGyQclAHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:40.379761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097081
observed 718c7c65585bca8f92a01eb23f817b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.361636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097081/manifest.json
observed 00b4adf90ee167bf3ff83e5378ca4e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.342244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097081/publication.md
observed 88d04fd3b1508fa47d20975cfe83fcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.196061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097081/publication.txt
observed 003e5026d4668518b4c452d2217a35e9...
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.