OpenTechnical

OT-2026-000095216

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095216) never changes.

Identity and time

Publication numberOT-2026-000095216 · never reused
Internal UUID01a0ae9f-8f70-7236-b818-742565071914 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095216
StatusPUBLIC

Content hashes

Canonical texta37173ff21897201d5663c33eab94fd4127e1cac0c007fbaa15f6af0466b89e8
Markdownb462834719bedd561c740c00969346687e132c9867f9eb091950dcac7e526bc2
PDF
Publication page5c569c78b64d20c027ed3b15d657c87c6b5242affcfc54b02624eda37e0e82e9
Manifest7d0068e5bc3d834ebaf22ba85e00327cb80f106186b5bda4cd2d1e14c6f3e323

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
SignatureIHsfnJOoilkWmLVV9abUb0RIK33dxRr+UXNoWdUq4zMq4Zicq8Nq7O24gPLCpR1IsIkM/smhln1e2w/a9sENCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:32.171162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095216
observed 5c569c78b64d20c027ed3b15d657c87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.153148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095216/manifest.json
observed 7d0068e5bc3d834ebaf22ba85e00327c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.137410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095216/publication.md
observed b462834719bedd561c740c0096934668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.118998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095216/publication.txt
observed a37173ff21897201d5663c33eab94fd4...
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.