OpenTechnical

OT-2026-000085904

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000085904) never changes.

Identity and time

Publication numberOT-2026-000085904 · never reused
Internal UUID01a0ae99-e82a-732b-8ed7-73bed6bff7f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085904
StatusPUBLIC

Content hashes

Canonical text2ee75d8aa49f1950247cde8fa9a4bda3bc1cba6b0b4eef2578150174214a4d3a
Markdown0d282aed7fc5bfa0bd9c2f0f2ed3881d3fbb4dbda9f9e0578ddb509fae580fd3
PDF
Publication pagee443032883d54963bd0cc9acd0f9d618aa37ba665f2c877691efe03c216da740
Manifesta11d089915f1a567e2dcde68700d14260f566b6627e603eefd81b62ae1f33218

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
SignatureqTfcWF+bAIFD76VT7gxWMTxMM88xgP4YlE7jcFsfzgj4kwVJp+LI3B+1EVqoVHZGUdw9EPKdQ2DxVL2vBFLDDA==
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

2026-09-17T09:52:50.916146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085904
observed e443032883d54963bd0cc9acd0f9d618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.897911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085904/manifest.json
observed a11d089915f1a567e2dcde68700d1426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.880578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085904/publication.md
observed 0d282aed7fc5bfa0bd9c2f0f2ed3881d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.863365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085904/publication.txt
observed 2ee75d8aa49f1950247cde8fa9a4bda3...
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.