OpenTechnical

OT-2026-000070681

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000070681) never changes.

Identity and time

Publication numberOT-2026-000070681 · never reused
Internal UUID01a0ae91-8c2c-781f-bacb-fe5c369cd01e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070681
StatusPUBLIC

Content hashes

Canonical text806fada730c54bd162d441311451c1fa5dddb3a084d28abb6e8d10991e374eca
Markdownfaaf83e73444818e148caa6abc707d597cdc0d25dbbeccd1f417f04017729952
PDF
Publication pageff8ae9df2d7517231de308226d5ec3b6638703418003342aee53a09f9c4fda29
Manifest52e3c0768af75ed7304be1ed4aac5108fd002a6e24f97d412a0b157ae8a48014

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
Signaturev6BV4Vy/40udbOLl6g862zAbUI8ET1/lpwdTlgQUdNwqEc/r/wXdYXKBCJzrfFd3dD3jqOKjcZJJdK4vNF/4BQ==
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

2026-09-17T10:25:21.639010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070681
observed ff8ae9df2d7517231de308226d5ec3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.621718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070681/manifest.json
observed 52e3c0768af75ed7304be1ed4aac5108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.599850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070681/publication.md
observed faaf83e73444818e148caa6abc707d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.582086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070681/publication.txt
observed 806fada730c54bd162d441311451c1fa...
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.