OpenTechnical

OT-2026-000011898

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000011898) never changes.

Identity and time

Publication numberOT-2026-000011898 · never reused
Internal UUID01a0ae6d-1942-72d0-9ae6-9233f5360a2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011898
StatusPUBLIC

Content hashes

Canonical texted8eae57573dbb616f5cb415102797923c7443f5537d68ab5be12b223e34617a
Markdown005319890049197d4f8f9057648c690432774e8c1d67d66861b82178d82da5aa
PDF
Publication page14436426c12f47b7ebd9f17e363a973929d4ef9d39e927e43c05d4adf4e8ae9c
Manifest6b7a0a9b8cc5ed1598b53b71d28afb69cd3d9afd5c6d2d506b5414e0201a01ff

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
Signatureh/1z4EBRBXrudkqPSU0jJi/4EoFs7AnDbn+oe605ulI1Vfg8o2+eo1uGICwg6KjYlWSO6c6+Zqz7wU6ysv6vCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:39.370173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011898
observed 14436426c12f47b7ebd9f17e363a9739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.349839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011898/manifest.json
observed 6b7a0a9b8cc5ed1598b53b71d28afb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.330825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011898/publication.md
observed 005319890049197d4f8f9057648c6904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.311879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011898/publication.txt
observed ed8eae57573dbb616f5cb41510279792...
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.