OpenTechnical

OT-2026-000075584

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000075584) never changes.

Identity and time

Publication numberOT-2026-000075584 · never reused
Internal UUID01a0ae94-29fd-7ff4-9dad-05ec78b474cc · 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-2026-000075584
StatusPUBLIC

Content hashes

Canonical textcd8b0fea7087f33637dcfbf27efc0b665c95912f18cd784bea760b5fece341f6
Markdown9f2ee22399e6a78672c247be0b1865703ef23e99510268c3980e2a64e81e9c79
PDF
Publication pagebae2b47bdf481cb81c2c25655859e02803d4bb8e540266a460c9e254d1e772ac
Manifestafab752be85685c01c777776b69ef377b6dd7468219f7fbfcfd986bf496a4302

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
Signature85RfzevYkOxau9YjhT6xfbTcc/LA9UGgPhhPKQPFV8mP3VUJC5Ak/XepwkSJQefDCrFAtlwsgBhac3CsdDr5AA==
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

2026-09-17T10:13:00.016220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075584
observed bae2b47bdf481cb81c2c25655859e028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.997039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075584/manifest.json
observed afab752be85685c01c777776b69ef377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.976853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075584/publication.md
observed 9f2ee22399e6a78672c247be0b186570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.957520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075584/publication.txt
observed cd8b0fea7087f33637dcfbf27efc0b66...
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.