OpenTechnical

OT-2026-000084421

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000084421) never changes.

Identity and time

Publication numberOT-2026-000084421 · never reused
Internal UUID01a0ae98-5b62-7e99-b553-183cd6d0986a · 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-2026-000084421
StatusPUBLIC

Content hashes

Canonical textbcc37de3bec035d677772f838cd6a8b69ed8ffd124c698e8c047706c03e4eab3
Markdownda1f951a59b61ecc43a0e7148ab0275036d8ac649564d0cfec0451ee3c705154
PDF
Publication page6bded057299e46a14cef2dbda657e147ef4e7c32962092c23121cd80c185a98c
Manifest27ac9e19d51769e814fadcb67b8798a2c05ce0ec73bd6d24cafd8766b1cccb07

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
SignaturenLUWjoTkzD2JemxR8yxQ8VuQu9gQ3n/ZblpJ2EfBb6dfLEoILy3LCdDt8HhvP84wcRvu9R9azvjSemI7u+dHCQ==
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

2026-09-17T09:56:22.271012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084421
observed 6bded057299e46a14cef2dbda657e147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.254644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084421/manifest.json
observed 27ac9e19d51769e814fadcb67b8798a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.238240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084421/publication.md
observed da1f951a59b61ecc43a0e7148ab02750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.219460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084421/publication.txt
observed bcc37de3bec035d677772f838cd6a8b6...
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.