OpenTechnical

OT-2026-000084427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000084427) never changes.

Identity and time

Publication numberOT-2026-000084427 · never reused
Internal UUID01a0ae98-5b62-7da0-a896-2ed3539c1846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084427
StatusPUBLIC

Content hashes

Canonical text51356ded8f53e0382a8ed73caa46afa0e42346df7331b6dc2b55b1ea2d3501a8
Markdown1aa4e67b7f1573bbdc10a94f2894dc8dac0cc5591ad11fca4543f67b5483fac7
PDF
Publication page201857cdd91b5054964b96acd50b468eb243667d3e59ca34437ebffad1ddfbf7
Manifestc45cbcd83faa3d1f24e38bb5f191181fe76417b45cc2d8b3f48edefb2f0f2e12

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
SignatureYxQzG3G+8KVohqIw+SD4Red93SgykGTiCrD2Be6zUPb4qbhtWMm5wx+iXL879ST0B5lfyTozE8gh/BED7aGXAQ==
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

2026-09-17T20:41:14.600418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427
observed 201857cdd91b5054964b96acd50b468e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:14.349896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427/manifest.json
observed c45cbcd83faa3d1f24e38bb5f191181f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:13.979671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427/publication.md
observed 1aa4e67b7f1573bbdc10a94f2894dc8d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:13.380913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427/publication.txt
observed 51356ded8f53e0382a8ed73caa46afa0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.731672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427
observed 201857cdd91b5054964b96acd50b468e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.715441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427/manifest.json
observed c45cbcd83faa3d1f24e38bb5f191181f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.698390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427/publication.md
observed 1aa4e67b7f1573bbdc10a94f2894dc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.680345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084427/publication.txt
observed 51356ded8f53e0382a8ed73caa46afa0...
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.