OpenTechnical

OT-2026-000004343

Publication integrity record

Porous face vacuum gripper, six outlet manifold, three stage ejector, pressure verified at each zone

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-2026-000004343) never changes.

Identity and time

Publication numberOT-2026-000004343 · never reused
Internal UUID01a0a914-9ab4-7ed5-bc89-29ab5360f5f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:18:14.967089Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004343
StatusPUBLIC

Content hashes

Canonical textc39cfd128d5dbe39257f74622326b749fbd11a6388638de39d3545669115c3ae
Markdown0218837db4ec58f857edc153d8462f33b1a7a454ac1df667055b2cd526f32ed1
PDF
Publication page0ee5c324984b3cc8460c461ddc233079f1158d1788a34c20a2a1ff49f5c71bcf
Manifestf64b825fd19809661d6843c52ad02c4096e7f28fea9ca983d7aa4a7521494aff

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
SignatureGlMU45bGSUIXfKY45Y5ImMzHJ7Vd0MovgCEzintyyAt4HAxqNIjLu5fSa9jkUbjZGOegW66XLDEi0JigjfMuAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:08.658903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004343
observed 0ee5c324984b3cc8460c461ddc233079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:08.644513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004343/manifest.json
observed f64b825fd19809661d6843c52ad02c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:08.629141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004343/publication.md
observed 0218837db4ec58f857edc153d8462f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:08.495945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004343/publication.txt
observed c39cfd128d5dbe39257f74622326b749...
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.