OpenTechnical

OT-2026-000007362

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, vented after set down, polyurethane cups

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-2026-000007362) never changes.

Identity and time

Publication numberOT-2026-000007362 · never reused
Internal UUID01a0a97c-1ad9-763a-a2ea-90c8ee57cde7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:17.980253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007362
StatusPUBLIC

Content hashes

Canonical text2a9cf564308aa4796e61dcd494e17814b6922ab05e7e6de4c92640967c2df3d8
Markdown862ceaeb42dbb7d3ace585e7d02e52f9d72af18a4aefd98281af7f5868e22381
PDF
Publication page8f60fbfe3b910c8c027479681ede560487024071fe32c5beb7ee09ad5f9ec45a
Manifestb238f9b76e79bb62ae51c2caf19ee8e2a4f166056cf7fbc8bd6d9d01bfca54e6

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
SignatureQs61Zdd36omeL10nGzEyJxS5TtSF5MsWqyTsjJqc8t7SWBV3iNBlCoVW7m3IYHZePz/1QJUPoBFyTU+Y5l/rDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.606294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007362
observed 8f60fbfe3b910c8c027479681ede5604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.592860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007362/manifest.json
observed b238f9b76e79bb62ae51c2caf19ee8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.581393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007362/publication.md
observed 862ceaeb42dbb7d3ace585e7d02e52f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.569924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007362/publication.txt
observed 2a9cf564308aa4796e61dcd494e17814...
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.