OpenTechnical

OT-2026-000031759

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000031759) never changes.

Identity and time

Publication numberOT-2026-000031759 · never reused
Internal UUID01a0ae74-bad0-73e7-90d4-c7fe5c68d137 · 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-2026-000031759
StatusPUBLIC

Content hashes

Canonical texta1f3e05d3afbba8fbb74484d8e324a3e39240817098543524cda7b381245ef78
Markdown7e582e9c26007358ef9330d901271a66e5969a43865220f9ee4905b12b10ab43
PDF
Publication page9aa5007e626b5f8da5d16aa91a3cdedf94d8d432a67579fc570d5fa0b470f30f
Manifest2d68502d9622d51f6f12f825e3f271fa544b812c04582ee21c0629f983233253

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
SignatureU8d+I2rBQbTbx+AhuYEibTmGOWpHR6sl1oSWMC4DP+CqE+3IUlSlJmHXlGZMdK89D/XfsKbFYwNiKBkTxrg5AQ==
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

2026-09-17T11:34:52.818386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031759
observed 9aa5007e626b5f8da5d16aa91a3cdedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.800304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031759/manifest.json
observed 2d68502d9622d51f6f12f825e3f271fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.783611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031759/publication.md
observed 7e582e9c26007358ef9330d901271a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.766626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031759/publication.txt
observed a1f3e05d3afbba8fbb74484d8e324a3e...
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.