OpenTechnical

OT-2026-000087846

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000087846) never changes.

Identity and time

Publication numberOT-2026-000087846 · never reused
Internal UUID01a0ae9b-1aa5-7fb8-ba43-beed45b196c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087846
StatusPUBLIC

Content hashes

Canonical text52dd5523388fc616b9f23e61c63dd1c81935e6aa2b99c537df4abad5b2539943
Markdownfaa919575f15853e651b4b7534acd038ab9f33e8cf52e7ad6441ae013d04b3f0
PDF
Publication page44cf97e56abcc898f172c208422a64f1c2151feb9054c2934a66817398c0f88b
Manifestfc098e382c9beaa310335f87fc38b323f997d6c85e803bcdaaf969144fd565fb

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
SignaturegPbZz8koS3qFCLi6dbjOGTbWzT9z72ZZPQCcLwNGVPZVcrqOtNiUNoZPevTTuTVwFfKN4GgEKJ5FQlyupulNDQ==
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

2026-09-17T09:49:05.290155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087846
observed 44cf97e56abcc898f172c208422a64f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.272032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087846/manifest.json
observed fc098e382c9beaa310335f87fc38b323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.253486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087846/publication.md
observed faa919575f15853e651b4b7534acd038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.236075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087846/publication.txt
observed 52dd5523388fc616b9f23e61c63dd1c8...
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.