OpenTechnical

OT-2026-000079279

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079279) never changes.

Identity and time

Publication numberOT-2026-000079279 · never reused
Internal UUID01a0ae96-0b90-7b7c-a8f2-b0eefbf4b9d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079279
StatusPUBLIC

Content hashes

Canonical text86ebbb66cdda87994e2a056bbe5beb8e4c3d6ae5affc2e6f7c5b2e37ffb610e1
Markdown5dc720e4fbf6b82c5d078d44b6c531c67592fc7e84ca80dc89315e371bd180d8
PDF
Publication page6fc8e70bc42cafd4dc67bfe35a96de16af37619661d1a34df7ce5078b6992bb5
Manifest431060948adab25392278ae52737e512937fc6f34de4d62da6e28319cd7cc311

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
SignaturerI82/XxPoH8MpMjXB9Nmm21Z1vj7VaRYiKsZvLjS6jbHbjsgz1y2eH+cMrZiRRwS1Bmy6RjxxzuTzXIOAiJSDg==
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

2026-09-17T10:04:53.009533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079279
observed 6fc8e70bc42cafd4dc67bfe35a96de16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.990943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079279/manifest.json
observed 431060948adab25392278ae52737e512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.970994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079279/publication.md
observed 5dc720e4fbf6b82c5d078d44b6c531c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.952507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079279/publication.txt
observed 86ebbb66cdda87994e2a056bbe5beb8e...
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.