OpenTechnical

OT-2026-000084393

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084393) never changes.

Identity and time

Publication numberOT-2026-000084393 · never reused
Internal UUID01a0ae98-5b62-7592-9f96-f67d9d13b324 · 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-2026-000084393
StatusPUBLIC

Content hashes

Canonical textca67d0f59fdaa655a44b0b6bc369ac2e3771ff1ee7a5312a86b004645767140e
Markdown5696d041bc56587ccb00723b9025c97c20708c1ea2128f44309fedd2565ea243
PDF
Publication page4586b7838ccd806acbe6b93b25e124dded87ea4f17c16e1b83879b9770991d3b
Manifest43291c34aa8776fb51f2316f27593f124c93cd6a1eeaca0d66afd7128cfee9e3

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
SignaturefhF1+yXm40sTql7QeWL+NJ/mAp1cUKos0Zia7iGbt7RDtLnf9Rfqd6kwB0bDnSTbPkuEjWcWpR787IxmDYF+Bg==
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

2026-09-17T09:56:20.164862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084393
observed 4586b7838ccd806acbe6b93b25e124dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.147146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084393/manifest.json
observed 43291c34aa8776fb51f2316f27593f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.128934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084393/publication.md
observed 5696d041bc56587ccb00723b9025c97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.111895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084393/publication.txt
observed ca67d0f59fdaa655a44b0b6bc369ac2e...
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.