OpenTechnical

OT-2026-000088732

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000088732) never changes.

Identity and time

Publication numberOT-2026-000088732 · never reused
Internal UUID01a0ae9b-8f10-794f-ad8c-d8991cadfca2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088732
StatusPUBLIC

Content hashes

Canonical text7ce14a4a982519ee06d841579a20cc43ec97d6b88cd932d2a2206a4316380c9a
Markdownbb2aac92db28bc053ddaf13966b7fce7f37ec05ac4b867df380ba7e27af14a58
PDF
Publication pagec5a4b39c07918717cde7fecc9575c9937b72ebafbaca1e90cd8b69b9a0c4575d
Manifest522edfabeb10c47208f23127a462699a40b69b7416d4c67d8dcba34da9b0d1e1

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
SignatureUPhLFcL2p1M2YJ++P58aiDtBQz/Tqm7aChYxIqXyJG9yNPHG+dj78zkNMi4p4I+f6wzHjd9uBXeKNUxiq00/CA==
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

2026-09-17T09:47:58.560862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088732
observed c5a4b39c07918717cde7fecc9575c993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.543014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088732/manifest.json
observed 522edfabeb10c47208f23127a462699a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.526204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088732/publication.md
observed bb2aac92db28bc053ddaf13966b7fce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.507378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088732/publication.txt
observed 7ce14a4a982519ee06d841579a20cc43...
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.