OpenTechnical

OT-2026-000034792

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000034792) never changes.

Identity and time

Publication numberOT-2026-000034792 · never reused
Internal UUID01a0ae76-1ed2-7437-b941-faaedbd5ca5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034792
StatusPUBLIC

Content hashes

Canonical texte8870fe06b92dcf9787806cd07162b48527d2abee00cb6b894925f9530b39469
Markdowndcfd489409571d1fd63729cd772a9e562d605f999b77f98cb146578b57b1dbe8
PDF
Publication pagea395e750aebe6b7020a852147dcb8ddf221f82babe5198c2b5137842b879b428
Manifestfe3ff4d014143b8032dd00cbd0e4b4ce81366c0c7df0b39efa9fc41bc9ad97f9

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
SignaturemxzFRO6KarRvMAor6yjOlKo6L626CvjXVJ7yOgjNV26B0TQymmsBjF+hvpwJTcsDfPJphdglIXHKCQrjTdd4AQ==
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

2026-09-17T11:30:17.727401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792
observed a395e750aebe6b7020a852147dcb8ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.712576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792/manifest.json
observed fe3ff4d014143b8032dd00cbd0e4b4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.695025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792/publication.md
observed dcfd489409571d1fd63729cd772a9e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.670185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792/publication.txt
observed e8870fe06b92dcf9787806cd07162b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.171869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792
observed a395e750aebe6b7020a852147dcb8ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.153470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792/manifest.json
observed fe3ff4d014143b8032dd00cbd0e4b4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.133705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792/publication.md
observed dcfd489409571d1fd63729cd772a9e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.114669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034792/publication.txt
observed e8870fe06b92dcf9787806cd07162b48...
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.