OpenTechnical

OT-2026-000084173

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000084173) never changes.

Identity and time

Publication numberOT-2026-000084173 · never reused
Internal UUID01a0ae98-5b5f-77bf-8be1-56de428fcb91 · 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-2026-000084173
StatusPUBLIC

Content hashes

Canonical textc7e2ab5d1c146c870ba07002f61cbc230d3cc8f235ed6d70fc719f6e569d72e3
Markdownd5726462f7194362bb08baad7d0aaf9e9e9386fb60ae2a4387a7d97e813b84c5
PDF
Publication pagec976e02b75bf879f6eda66b64888d5688bbb68297e19b61268487a747a222165
Manifesteb8158fc40391afc01b597e915b29d7ad1c463183f6b8347bd074bcd5a7d4e3e

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
Signature1FEcCmHPeP06foxgWlJMG9jmsa8pCM5O97+OSCjfzUadOXpKGRnsTXjGmJS+kf/wiCqXhDmoOz2+LVaPrG/QAw==
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

2026-09-17T09:55:56.973923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084173
observed c976e02b75bf879f6eda66b64888d568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.954432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084173/manifest.json
observed eb8158fc40391afc01b597e915b29d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.935196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084173/publication.md
observed d5726462f7194362bb08baad7d0aaf9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.916181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084173/publication.txt
observed c7e2ab5d1c146c870ba07002f61cbc23...
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.