OpenTechnical

OT-2026-000033839

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000033839) never changes.

Identity and time

Publication numberOT-2026-000033839 · never reused
Internal UUID01a0ae75-a391-769b-a56e-0e3dcfbd38b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033839
StatusPUBLIC

Content hashes

Canonical textb2fd60dfb8a27032b9a47327f5c25843f763d3af570c7e78e8f5554fa15b00b2
Markdown117c16b4ddd0e9f5b1e767678e80017c9ebe25f90baa16a20147ce4db47aecae
PDF
Publication pagecc35e4bc98e9dccffbbea937e3f570611e96c5760d90bcb6395e86150ec90ada
Manifest7697c996d7da5a41ffe29c3c0223f825ea3355740deccf979a2efa06a5cc22c6

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
SignatureByUZeknqx6wwy/LRznjxK8ZJBmvYaCcP0CCpZiYiYL2L3IhFvn2G+9/lVDivtOxFHFmbpJ/T8x8mH3B9hv8sAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:53.700124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033839
observed cc35e4bc98e9dccffbbea937e3f57061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.680917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033839/manifest.json
observed 7697c996d7da5a41ffe29c3c0223f825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.662107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033839/publication.md
observed 117c16b4ddd0e9f5b1e767678e80017c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.643695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033839/publication.txt
observed b2fd60dfb8a27032b9a47327f5c25843...
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.