OpenTechnical

OT-2026-000078043

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000078043) never changes.

Identity and time

Publication numberOT-2026-000078043 · never reused
Internal UUID01a0ae95-6e8c-723e-bca7-03667e7fc16a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078043
StatusPUBLIC

Content hashes

Canonical text782e00598e65b963b6ea8f731d09ea1db6df61e8e7e64cf2243395aa82015bb0
Markdown7f0fd361b9edf399aae22ac466e033555fca8c4ec6fb1741f72b0a30ffb775c3
PDF
Publication page647ea40325187e6a76582b466ffb899ea696a70c1b27e1fa4a0179a00a759005
Manifestc328415d85483b5da1927fda30f6e4200de39c981f75dced3184c305b7a7b814

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
Signatureg9FYc8jJqVZOKfEOTfJOII36vtXEA7o3NG2AWHPHsxZx39McUImW1emTtivxOXnJKrtjxoEjesBgfaRnSwZiDA==
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

2026-09-17T10:06:44.905761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078043
observed 647ea40325187e6a76582b466ffb899e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.887685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078043/manifest.json
observed c328415d85483b5da1927fda30f6e420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.867715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078043/publication.md
observed 7f0fd361b9edf399aae22ac466e03355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.848916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078043/publication.txt
observed 782e00598e65b963b6ea8f731d09ea1d...
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.