OpenTechnical

OT-2026-000091099

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000091099) never changes.

Identity and time

Publication numberOT-2026-000091099 · never reused
Internal UUID01a0ae9c-f16b-75ca-9345-c94869c18191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091099
StatusPUBLIC

Content hashes

Canonical textb8bb972d62419885b37c9035541efc69d6ece7fe9d90da7515f4bbf23c8bfc55
Markdown3eac34f78f86999e903ea967af07de874859557be9212c94dc5eadb00ce53695
PDF
Publication page0f17211b901b6bb9e9c78abe43f11454aa6e55d07308461702e175217b4df06e
Manifest348e2525d409cfdabe1428dbbc33c4f8c3f2f734dd621f31b107899016f67ea2

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
Signaturez1bgg21V/lKeIp8WNOV5NRGnbqJlLdWduinDH5spBQDpnqt2aPsh3VxK1bOeznMPZmh3q7XXf6xSMMDo4DzVDA==
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

2026-09-17T09:43:14.916135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091099
observed 0f17211b901b6bb9e9c78abe43f11454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.898103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091099/manifest.json
observed 348e2525d409cfdabe1428dbbc33c4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.882365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091099/publication.md
observed 3eac34f78f86999e903ea967af07de87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.864855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091099/publication.txt
observed b8bb972d62419885b37c9035541efc69...
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.