OpenTechnical

OT-2026-000095800

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000095800) never changes.

Identity and time

Publication numberOT-2026-000095800 · never reused
Internal UUID01a0ae9f-fac6-7d4a-9cb5-2a8991c836d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095800
StatusPUBLIC

Content hashes

Canonical text4700179fad1e93de4ecd9c5096c93925e36fcac401177bdafa851e7392e5073a
Markdownc4cc23896698c196afb35870e7c910f9dc65d1935d87a7c73b786604693373ed
PDF
Publication pagebc630ebfce5688eda469f524a430dc2a244f9e526e894b1826115d8cccf870cf
Manifestc6d236e70dc6d1f9fdf980ab6595e7ba2eaf8b8f137ae070526a980e673dd438

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
Signature8WnJNPNz23q7lX/hCsBvklL/gmYumfof0F/4H5Co7yb9T69lpqUdlDVyOEfhfnPSfHu6d69+2ScqRytHQ0UcCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:52.444286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095800
observed bc630ebfce5688eda469f524a430dc2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.425805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095800/manifest.json
observed c6d236e70dc6d1f9fdf980ab6595e7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.408885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095800/publication.md
observed c4cc23896698c196afb35870e7c910f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.391072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095800/publication.txt
observed 4700179fad1e93de4ecd9c5096c93925...
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.