OpenTechnical

OT-2026-000092514

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092514) never changes.

Identity and time

Publication numberOT-2026-000092514 · never reused
Internal UUID01a0ae9d-b5fd-7abf-88be-ee40f5dc297f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092514
StatusPUBLIC

Content hashes

Canonical text3ce53b2acd3952ba1ae500b5b2ad3fe5c68c5268d3e3c3cd3ab638eb8911ac75
Markdown9f9858905dec90526b75135b947664fc660361bfc8af478a816ee9023ecdbc58
PDF
Publication page144d4f13083fcec179d6ee821418e156f3fbd40959987da3ad13d2c559c73cfc
Manifest565467ebdb1f520932717b948710a71899a1bbfa1f1cd2af84e5c0edb25d9df1

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
Signatureh3nrD8H7lCmeslpsFFSs5g/VgJ9WiaPQ1mTjL2AJ8OJfy/PCOzNkH+IAafSscG2c01smunnz//NCG9Lw4kU0Cw==
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

2026-09-17T09:41:05.280263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092514
observed 144d4f13083fcec179d6ee821418e156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.261631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092514/manifest.json
observed 565467ebdb1f520932717b948710a718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.244562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092514/publication.md
observed 9f9858905dec90526b75135b947664fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.226711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092514/publication.txt
observed 3ce53b2acd3952ba1ae500b5b2ad3fe5...
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.