OpenTechnical

OT-2026-000075785

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000075785) never changes.

Identity and time

Publication numberOT-2026-000075785 · never reused
Internal UUID01a0ae94-29fe-7695-82ad-2aa8275d5283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075785
StatusPUBLIC

Content hashes

Canonical text9091d6489babfcd2876a8ebaf28275c2e62d22b4f9a28fec08bd287285237101
Markdownff4858f5f4ea275772398481c7d9ca6d3d5a8c99e313944126e0ca585e71ac9a
PDF
Publication page4a2ad8dd5ea4694feab8cbe38ed52546efc9de56a461da43de103d8786b8ea35
Manifest95ef7aee174ee27fca8d3e1d6915fb0ba7d49f5dec2bdcea470c1cfec639ef32

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
Signature3CiBR2CcURhdBLWFRfJU7pEobCrZxUV7CW84AKeD//ve5jSdtaIi0wPI0n6yCF7mCP96p/sgKEZRsx0ExOBHCQ==
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

2026-09-17T10:14:13.548510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075785
observed 4a2ad8dd5ea4694feab8cbe38ed52546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:13.531887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075785/manifest.json
observed 95ef7aee174ee27fca8d3e1d6915fb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:13.514564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075785/publication.md
observed ff4858f5f4ea275772398481c7d9ca6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:13.497106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075785/publication.txt
observed 9091d6489babfcd2876a8ebaf28275c2...
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.