OpenTechnical

OT-2026-000092005

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000092005) never changes.

Identity and time

Publication numberOT-2026-000092005 · never reused
Internal UUID01a0ae9d-43bb-7676-99d8-8c936fcd4baa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092005
StatusPUBLIC

Content hashes

Canonical textcbc691504be3e6311641edc13f7bf36f8bc711d2e73ebf2c1608a2262fdc714d
Markdownd2b11cea4b7017bdecf8ae530b0f090e45827f2fe451341b1bcd52dbe622c51a
PDF
Publication page7afb77732512fad20448953b5f001bd83f549d69a7cf8ac4a2d5b024a3af08bd
Manifest079a489d55fbb4cc36e03c7b43e85650c46b4c87c08c68c6e17d3812751d4bee

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
SignatureGUpP68C8iu8IRgXXmEH5RdltshwJAwyjFMj0GGyzxn4ZGr2BzsGDg+Xv5G0rVEqWTOzMgZCkFR3tHFf3FdhiBA==
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

2026-09-17T09:43:01.209309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092005
observed 7afb77732512fad20448953b5f001bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.184902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092005/manifest.json
observed 079a489d55fbb4cc36e03c7b43e85650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.159436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092005/publication.md
observed d2b11cea4b7017bdecf8ae530b0f090e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.135833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092005/publication.txt
observed cbc691504be3e6311641edc13f7bf36f...
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.