OpenTechnical

OT-2026-000091239

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091239) never changes.

Identity and time

Publication numberOT-2026-000091239 · never reused
Internal UUID01a0ae9c-f16c-7a19-bc78-fd0bc5927d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091239
StatusPUBLIC

Content hashes

Canonical text756a3d72a5392fc14a408b2bbd5cf4fc1dfee287cb33e16dd7f773666b8f04ad
Markdown3e7c7bc712ef50205db1a9e04d91cba7529db05ebc16b70a78adf724cdb2f224
PDF
Publication page9ef14c0a4e0efec8d317bc5ed7486ce5b2809471c251152acb59bf093875d1a2
Manifest95a49ca4508077063a3c2cb590852ac115c86734ede580f5736af63d6d36f2e2

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
Signature0mIBN+Iw91ad040tq/Ac1tpTD4IJ6Q1RZ7Lq8kHGZKMkt0QN2bQVf9Bltm4WGJkwI+Z8FnFxTfM1n5LR2D8NCQ==
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

2026-09-17T09:43:24.797322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091239
observed 9ef14c0a4e0efec8d317bc5ed7486ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.779648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091239/manifest.json
observed 95a49ca4508077063a3c2cb590852ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.763203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091239/publication.md
observed 3e7c7bc712ef50205db1a9e04d91cba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.745255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091239/publication.txt
observed 756a3d72a5392fc14a408b2bbd5cf4fc...
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.