OpenTechnical

OT-2026-000031867

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000031867) never changes.

Identity and time

Publication numberOT-2026-000031867 · never reused
Internal UUID01a0ae74-bad1-7eb3-b4c8-0057af40d8cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031867
StatusPUBLIC

Content hashes

Canonical textcd26fa74c467294ba8ade0a94facead04d4dc1b4fe15ce3a02b4aa43b83a1f30
Markdown57628addcd004e3594726e4430f3972e3cf81e1803db58c6a504feff37afc344
PDF
Publication page649670c5115ceb753236ef144d96b7bc65ebcd28db5fe3a6b3f38e0ba8ddcd35
Manifestcc3a6cf56fe549c32442c0cdf29a7206e8cbe2341f5a2a25932a40f36272eb51

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
Signature9+hokpUxDticgKPwvJPMwYxuSfvQv/hYbvxiCz7fAINd61c+mzeCOn2Oq4jOz0ToK1eri3Q4hCyGWT1yYAldBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:07.664923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031867
observed 649670c5115ceb753236ef144d96b7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:07.648153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031867/manifest.json
observed cc3a6cf56fe549c32442c0cdf29a7206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:07.632021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031867/publication.md
observed 57628addcd004e3594726e4430f3972e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:07.614004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031867/publication.txt
observed cd26fa74c467294ba8ade0a94facead0...
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.