OpenTechnical

OT-2026-000006897

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, contact triggered, plastic cups, two fold

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-2026-000006897) never changes.

Identity and time

Publication numberOT-2026-000006897 · never reused
Internal UUID01a0a96b-3696-7d5a-b959-af3e8a9997aa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:50.969078Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006897
StatusPUBLIC

Content hashes

Canonical textdacfee99354a22c5a1f943f22cc2c91b290629deaafac3494d03773b4e7eda97
Markdownf88d90ca5fca02524f7d38a77429c2f8b7a40d357d8b2fd74383908185dd8602
PDF
Publication page5fb0d9eca21e565ed031dd6781854332c8f64b7c4f70fa7eb84fdf24a40d41a0
Manifest874a4e9b71ab46e91a4b2ac6dbca554627e4edbb15be7faed8261f3d6a29e3e3

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
SignatureeVfjCrjerg5rpEHAZCCVtISxZqOwNJqc747/jFs0ULLURNfQyr2QjYnd6xegqMOlhRj3K0OlOd90rUk7fhXtBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:24.403388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006897
observed 5fb0d9eca21e565ed031dd6781854332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.390389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006897/manifest.json
observed 874a4e9b71ab46e91a4b2ac6dbca5546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.377840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006897/publication.md
observed f88d90ca5fca02524f7d38a77429c2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.242371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006897/publication.txt
observed dacfee99354a22c5a1f943f22cc2c91b...
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.