OpenTechnical

OT-2026-000078461

Publication integrity record

Three cup vacuum gripper, three 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-2026-000078461) never changes.

Identity and time

Publication numberOT-2026-000078461 · never reused
Internal UUID01a0ae95-7c28-7b7e-b6eb-b58650d52346 · 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-2026-000078461
StatusPUBLIC

Content hashes

Canonical text472cc32ee691ba25fde51304442f9056513ef37aaac6abae00e2c53b9ede2624
Markdown5965931aad44d98889518ef4ec38f8482a440f2502b7e6cdbd7c0a81d76f1c3a
PDF
Publication pagef57ab376ae622b58f621fb13d34e3e215a3fd439adaefcb3aa31e32a33b3bebc
Manifestf0fbe579a3da34cdd3e7de490df63628ea21dc2a8c400a66073d595620075bda

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
Signature8P4bkQfMOlTcw5vCQu/BHfHxzJcx0jTcMo/44sitmadwh/7GjxdveROa0OVybw11oP/G9EqMgWQPYEbqUdQOBw==
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

2026-09-17T10:06:27.782207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078461
observed f57ab376ae622b58f621fb13d34e3e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.763599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078461/manifest.json
observed f0fbe579a3da34cdd3e7de490df63628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.744768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078461/publication.md
observed 5965931aad44d98889518ef4ec38f848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.724942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078461/publication.txt
observed 472cc32ee691ba25fde51304442f9056...
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.