OpenTechnical

OT-2026-000078972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after 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-2026-000078972) never changes.

Identity and time

Publication numberOT-2026-000078972 · never reused
Internal UUID01a0ae95-ccbe-723e-8fa5-85fa74a283ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078972
StatusPUBLIC

Content hashes

Canonical text4c659028bba26081589e1eb99e593775484d46bee3186b33e40ac356ef8f8136
Markdown2cfdb7ca955b4f0b3c7b08d3430dded99d6a32eab0ba99d4894305ad9d2094aa
PDF
Publication page5c9ea75df0681edd77e837448093c4196cc727bbeb961aadba7a8faa7f082198
Manifest5588635daa9f3910478d80f8de3a8f28dac85e6dca3d336621a8eb3da679d868

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
SignaturepqCtJzNNnQTdwoEmTWcD6ThBwXYmOHkM7745L45eBpd/VS5QWa5lV7qTAuks+/QRcXbSz9B1nIjkIPvnl/1ZDQ==
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

2026-09-17T10:05:47.944368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078972
observed 5c9ea75df0681edd77e837448093c419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.924965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078972/manifest.json
observed 5588635daa9f3910478d80f8de3a8f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.905175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078972/publication.md
observed 2cfdb7ca955b4f0b3c7b08d3430dded9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.885258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078972/publication.txt
observed 4c659028bba26081589e1eb99e593775...
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.