OpenTechnical

OT-2026-000068668

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000068668) never changes.

Identity and time

Publication numberOT-2026-000068668 · never reused
Internal UUID01a0ae90-2483-785a-a7cb-452f141ae070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068668
StatusPUBLIC

Content hashes

Canonical text33ee13e79335bdf322b780c793c40fe69aaa360eb4f54b6c41c69dc8eba2d60c
Markdown0f179a2a3d5bc361c0eb0cc0df7adceff7c6ff457a0fb9b43bc84b277c62650b
PDF
Publication pageda925c4b1468ab4ceb227a6a1fd6bd070d068b61572597bee5ced3fca79520a2
Manifestd29498b78be6bcc36095b3ce1cea3755bc18cde178ec23152ade7cc55ae9c10d

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
SignaturezKW1FOaO0l44EAFBVW3UxiVMQZ9X1HOYqxPT3uRhWLmozUQapQUotzGwBH+IqlWfLpN49eadz1wqdPek5jzBCQ==
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

2026-09-17T10:29:52.042737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068668
observed da925c4b1468ab4ceb227a6a1fd6bd07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.025593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068668/manifest.json
observed d29498b78be6bcc36095b3ce1cea3755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.006046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068668/publication.md
observed 0f179a2a3d5bc361c0eb0cc0df7adcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.989863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068668/publication.txt
observed 33ee13e79335bdf322b780c793c40fe6...
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.