OpenTechnical

OT-2026-000005117

Publication integrity record

Porous face vacuum gripper, three zone face, plant vacuum fed

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-2026-000005117) never changes.

Identity and time

Publication numberOT-2026-000005117 · never reused
Internal UUID01a0a92e-6521-742d-a9b3-f396b6bf5654 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:25.188018Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005117
StatusPUBLIC

Content hashes

Canonical textd7eb1d8dabb57c5185d8e8143f148f9ea8cfeec67d6d4d249da2e6695042ac92
Markdown9fde041624c7fac9621343411911fe9c2bf570a784a057c898ab904db7494377
PDF
Publication page97af701745528e4adb7651fbc8f5b1985d15c24caa38541764d0bca2236f9e58
Manifest642b15e889c94db80bcab056f2cc125641657e7548a66d4bba9f9cec0790e1bf

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
Signature8kX8/50TBJdp8CnOZp36rDnJ44sHOZzNEXSl5Vh3OcLuIGeuLGI6z3LJgYBGMuMAqHZLLvpiKREPlaIkrI0lBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:13.672803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005117
observed 97af701745528e4adb7651fbc8f5b198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.659814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005117/manifest.json
observed 642b15e889c94db80bcab056f2cc1256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.645548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005117/publication.md
observed 9fde041624c7fac9621343411911fe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.631967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005117/publication.txt
observed d7eb1d8dabb57c5185d8e8143f148f9e...
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.