OpenTechnical

OT-2026-000083081

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000083081) never changes.

Identity and time

Publication numberOT-2026-000083081 · never reused
Internal UUID01a0ae97-c962-763f-9f0f-62caa8f6357a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083081
StatusPUBLIC

Content hashes

Canonical textd58831154e4f7e9b2829f058fbcd2ed301a24d40a453d35e12e7e74516a16701
Markdowna0a3b5fa74d27f1e66dbca9b2835d1d4eb4dffed6d51f3fd50d93d305ff122f2
PDF
Publication page59f475a7b8517a08718f865301c1f195ecf350bf7f3ebde675490144e7a19f60
Manifest0ce347056fb07a9eb5464f9320d389d749b40a6c73d165ecc2eda2ae74513020

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
Signature7dcMZvBG46xrwu8A7THU585P6xXmgEC5+l/y9f/KNOgamMjvyMXrxPKX2dxsFMoPD3otbZhyu+dpfEnHZgXKBg==
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

2026-09-17T09:00:34.633816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083081
observed 59f475a7b8517a08718f865301c1f195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:34.612331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083081/manifest.json
observed 0ce347056fb07a9eb5464f9320d389d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:34.593868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083081/publication.md
observed a0a3b5fa74d27f1e66dbca9b2835d1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:34.120011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083081/publication.txt
observed d58831154e4f7e9b2829f058fbcd2ed3...
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.