OpenTechnical

OT-2026-000092631

Publication integrity record

Three 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-2026-000092631) never changes.

Identity and time

Publication numberOT-2026-000092631 · never reused
Internal UUID01a0ae9d-b5fe-769b-b89e-3b87f5fb77f3 · 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-2026-000092631
StatusPUBLIC

Content hashes

Canonical text37f834e288693b41d0903bdf9651845f393dc1e8ed8b8c315cafad4a5b79cc56
Markdown7f24a9e91c23e71661b7e078f768ab391af2e10efedc6db543b3e113b470d984
PDF
Publication pageb0102782e179491df7c7bb2bc8081b1ea484e91b1df88ebd79d779cb842133a2
Manifestecf32153cbc78f9ab3f8cf5d4473074bcc889ece25b3d810d3a4d67499814a80

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
SignatureqnB31JrEsIKR0EGx+1V40II/6TNwqQ0niVjmUQD+yvZ52zvF/fALEbCtvdA20xqgxI/Drys62SpugAlT2H/IAQ==
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

2026-09-17T09:41:13.920293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092631
observed b0102782e179491df7c7bb2bc8081b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.901860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092631/manifest.json
observed ecf32153cbc78f9ab3f8cf5d4473074b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.884189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092631/publication.md
observed 7f24a9e91c23e71661b7e078f768ab39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.863894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092631/publication.txt
observed 37f834e288693b41d0903bdf9651845f...
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.