OpenTechnical

OT-2026-000091010

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000091010) never changes.

Identity and time

Publication numberOT-2026-000091010 · never reused
Internal UUID01a0ae9c-c011-72ce-8e20-3c3f2d179aab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091010
StatusPUBLIC

Content hashes

Canonical text85f209c745096778f769a79527a4e37cb74637c56e355a741236ab53ee1268e6
Markdowncc0224b29eb5c1b84a7712d529cb22113e16605c432614ffd416e00dd1766861
PDF
Publication page2491ea1ef105f2d182f43ad716a443b379cace6b5ce341ef8281f0c4cc53099f
Manifesta3aa31883dee96b99df9e980e4991b6d38925064abd09f4a42a99bf4a8819baf

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
Signaturel/kX1WhXe2hI70zGr2kp2SpYzP6evXwFL9RTlhaTXr/jKtUif5m/4/5Ms9m6pwGJiRw6TbeQaKktwyMFU118Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:14.809815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091010
observed 2491ea1ef105f2d182f43ad716a443b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.791987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091010/manifest.json
observed a3aa31883dee96b99df9e980e4991b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.701524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091010/publication.md
observed cc0224b29eb5c1b84a7712d529cb2211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.681132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091010/publication.txt
observed 85f209c745096778f769a79527a4e37c...
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.