OpenTechnical

OT-2026-000067843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067843) never changes.

Identity and time

Publication numberOT-2026-000067843 · never reused
Internal UUID01a0ae8f-c4fb-78c8-8cc4-ad87929012e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067843
StatusPUBLIC

Content hashes

Canonical text122ee698f733127e77825b5412f08869e13c87611fd16856bb92bbfcb87abffa
Markdown4f9a199b88501dc166b4e456457a5ec23058eeec341dc9193273977aa9e4bc51
PDF
Publication page222dbd1c6d9f9d0212c2bef6cbeba6ec285b26b7bbf624dd4cb31a36f3f56285
Manifest426152928ed9c693d8812c2f3da8fa9e041825d1e0000acacfe78e4612d69ff7

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
SignatureF2X6i2K6cCICQhmc/XrzciHNIpxu2toUzcbN6p6a2FSTuuBEjhBuUCDgej50IUXv+Wgt55uOk+0btpyRts06Bg==
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

2026-09-17T10:30:05.995717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067843
observed 222dbd1c6d9f9d0212c2bef6cbeba6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.975756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067843/manifest.json
observed 426152928ed9c693d8812c2f3da8fa9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.957436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067843/publication.md
observed 4f9a199b88501dc166b4e456457a5ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.938716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067843/publication.txt
observed 122ee698f733127e77825b5412f08869...
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.