OpenTechnical

OT-2026-000032435

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000032435) never changes.

Identity and time

Publication numberOT-2026-000032435 · never reused
Internal UUID01a0ae75-106e-7308-97af-6a20b47d0c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032435
StatusPUBLIC

Content hashes

Canonical textb3b9f067a8d8c1f86960199c52813b985b7a8c27771299f807562380aae94f0c
Markdowne1baadd3060159561355e5ea7c6e9e6ad7c44feb23946a28dd64b1efb57f8b3f
PDF
Publication pagec6fbb3a8a8bd43f1f0750ed97539a84289007e194e6de136aea55373000a612d
Manifestfd262d4d9805009d5056bfd3a51309b4afee45a1fd178047ec289340efee2b21

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
SignaturehhqADqdtTDDFPba5E+usbn+RVc45TlIgAa82UZmep3ZggctcV9Wyp0DiTlOX5/IguLuFax10oYvhT5KoLNm5BQ==
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

2026-09-17T11:33:51.513720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032435
observed c6fbb3a8a8bd43f1f0750ed97539a842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.498529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032435/manifest.json
observed fd262d4d9805009d5056bfd3a51309b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.479794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032435/publication.md
observed e1baadd3060159561355e5ea7c6e9e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.462473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032435/publication.txt
observed b3b9f067a8d8c1f86960199c52813b98...
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.