OpenTechnical

OT-2026-000065347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000065347) never changes.

Identity and time

Publication numberOT-2026-000065347 · never reused
Internal UUID01a0ae8e-1dfb-7629-a2cf-6b43c6a2c43a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065347
StatusPUBLIC

Content hashes

Canonical text18ff8ea53a74863e04c91ee2acf057d97b74ba803d7db9a277969c6f9e620c8a
Markdown2edc44d47d36a386c6d453af942bb7564ee5f4959f4e671d1af7a328d0a6119a
PDF
Publication page92212d91bf42f72a5ff5a9ad5fbf99fa1081288b4d95270306dffa0c6b756791
Manifest89031bb2de2f92d656f37dce0fea0f7b6f49ea639fa033686a487aa2771899c0

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
SignaturenW+Uw1SurmHgPZWVmE5oXxNBZW6xJ80JN627jtNstZSh1S4vu6xFAjSDQW0Av6WV3lDRLg0Ii0ZLR1/Nkb80Bw==
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

2026-09-17T10:35:19.882173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065347
observed 92212d91bf42f72a5ff5a9ad5fbf99fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:19.863713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065347/manifest.json
observed 89031bb2de2f92d656f37dce0fea0f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:19.845203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065347/publication.md
observed 2edc44d47d36a386c6d453af942bb756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:19.826995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065347/publication.txt
observed 18ff8ea53a74863e04c91ee2acf057d9...
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.