OpenTechnical

OT-2026-000083993

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained 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-2026-000083993) never changes.

Identity and time

Publication numberOT-2026-000083993 · never reused
Internal UUID01a0ae98-5b5d-7486-af99-c4792dc3eb83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083993
StatusPUBLIC

Content hashes

Canonical text11ae82f04da814bbfb6b5afc444a10ea6c062abf02ff4d99f0eff9f9ed48d603
Markdownb54459a9622be3cb6fac493998c751f258624a19025180cdee7775e9f3ec962c
PDF
Publication page25053fd70466b233c1ae47e420ee16e6d99da10991db4d4cb3be8cff3fc605a0
Manifest23317204e568c07dab30ede19ec121256576bbeeb9f7817148584085b8731e17

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
SignaturechQ3w1Uso8AvH4gHZCuhDXtF1UlNnLllU5NnVjGjxfJjPXtHkRZtHTJ5lvqcSbKzqGbyf93l9MYaVsG55NXQCQ==
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

2026-09-17T09:55:42.401958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083993
observed 25053fd70466b233c1ae47e420ee16e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.386119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083993/manifest.json
observed 23317204e568c07dab30ede19ec12125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.368410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083993/publication.md
observed b54459a9622be3cb6fac493998c751f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.350399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083993/publication.txt
observed 11ae82f04da814bbfb6b5afc444a10ea...
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.