OpenTechnical

OT-2026-000073107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073107) never changes.

Identity and time

Publication numberOT-2026-000073107 · never reused
Internal UUID01a0ae92-c816-71cb-b23a-46f1a0c04875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073107
StatusPUBLIC

Content hashes

Canonical textadf60fbd2ebba376f510f96ba569b1e862f06bcfcc7baf3b1f8909e59b39062f
Markdown4c04e24622827dff4836e7bf54011d59131a8da5048029264acb6055b32b4d7b
PDF
Publication pagec4c6531f6bb32e52ab33a9c0ca07fd8d6744c1ddc3522d6de0fbe3afd748ad6c
Manifest4dafe688a19f62e4d9b5830fc5c2eaa5024d31a44db953b3b583e7f3d3741e21

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
SignatureMHVc3GhlPpiUJrQkt6oMBnLO+MuBGP1BfXjjcoQ7iV5hfWHoLLAT9hhv/L4hRWXmkh/kbn4Uh1eUyf1uXJyDAA==
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

2026-09-17T10:22:04.153246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073107
observed c4c6531f6bb32e52ab33a9c0ca07fd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:04.128129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073107/manifest.json
observed 4dafe688a19f62e4d9b5830fc5c2eaa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:04.109632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073107/publication.md
observed 4c04e24622827dff4836e7bf54011d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:04.091481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073107/publication.txt
observed adf60fbd2ebba376f510f96ba569b1e8...
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.