OpenTechnical

OT-2026-000078205

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000078205) never changes.

Identity and time

Publication numberOT-2026-000078205 · never reused
Internal UUID01a0ae95-7c26-730b-b9d8-700e429377d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078205
StatusPUBLIC

Content hashes

Canonical text5fd54ffe05cdb41b3bcb8470b54fdb78e4bbbec3b6708d85bf9d1b23783dd2cf
Markdown21b224909cf77a86edadf996382e0d405ef7afff382c0ee996b3253c61cc4988
PDF
Publication pageca5853f57a776905da96f754d4aab589eb3b4da3d971850b2fcb61857dd58720
Manifestf4c615e7cd3c454c3a650c3807a55112ce44146bf56dd7b85f4c3eafc58fbbb4

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
SignatureQsVfn4LTf6nKWUjy8hyuYOy03JYm3fySdSC2JZ5l10G/rBxM1UUVKCtoNYipJAscrdqH/PAT6xxB5cOzWMZ/DA==
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

2026-09-17T10:06:09.088458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078205
observed ca5853f57a776905da96f754d4aab589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.070133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078205/manifest.json
observed f4c615e7cd3c454c3a650c3807a55112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.052067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078205/publication.md
observed 21b224909cf77a86edadf996382e0d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.035411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078205/publication.txt
observed 5fd54ffe05cdb41b3bcb8470b54fdb78...
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.