OpenTechnical

OT-2026-000049642

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049642) never changes.

Identity and time

Publication numberOT-2026-000049642 · never reused
Internal UUID01a0ae81-8fee-73fa-9177-d1fac5d55146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049642
StatusPUBLIC

Content hashes

Canonical texte8feda077bb6c3ed81cd3f7f6f46e1632f623284db8116b147d7deb87fd1e868
Markdown35d3d0773279f9da75da4e8adc5011b22938fa03a4ee8ddbc1292e749933628c
PDF
Publication page728d727ca22e32f24aaa002b035db93944ff9100c774e0673686742c1522e0c7
Manifest7f9a12d59298930069f529000768a0a3fcfaeebb3b23632502111605194c0543

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
SignatureHTJsXXA+WcuKpKCLJReUIg7poPMsijsAfVURvbiWuEmGGlvLDYI6EJ82TjeZoDrIewW0yuqw1uF1+lm7wRiaCQ==
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

2026-09-17T11:02:38.267922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049642
observed 728d727ca22e32f24aaa002b035db939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.249194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049642/manifest.json
observed 7f9a12d59298930069f529000768a0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.230853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049642/publication.md
observed 35d3d0773279f9da75da4e8adc5011b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.211539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049642/publication.txt
observed e8feda077bb6c3ed81cd3f7f6f46e163...
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.