OpenTechnical

OT-2026-000097217

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097217) never changes.

Identity and time

Publication numberOT-2026-000097217 · never reused
Internal UUID01a0aea1-01ca-726f-9085-50dae5155876 · 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-2026-000097217
StatusPUBLIC

Content hashes

Canonical text519d09d8b155d925698aa325b82da3ff71fc3659bac723fc04a021059557d23d
Markdown4275ae65432249edcd6c15f884f8d7bdd19f6419ad58088f0664bb7b54fdf148
PDF
Publication page713136525d7675c39bf8f3e1dc11ce80755a3e406f0696d42a9dbb8e86b6846d
Manifest57e7a183b16b5b273d80b8975b12bf5b1edb8a7ed7f3ed5225c88aceed8e836c

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
Signature1Wu6zDgpFkM8u7P2qsrvjESxAiUEuDBk+TZaq5y8EW2xPysbyzyes31PfvghR/oGhgx25ASzJrsuQcSpkDHQAA==
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

2026-09-17T09:33:27.742338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097217
observed 713136525d7675c39bf8f3e1dc11ce80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.725246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097217/manifest.json
observed 57e7a183b16b5b273d80b8975b12bf5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.705427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097217/publication.md
observed 4275ae65432249edcd6c15f884f8d7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.672342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097217/publication.txt
observed 519d09d8b155d925698aa325b82da3ff...
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.