OpenTechnical

OT-2026-000042244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042244) never changes.

Identity and time

Publication numberOT-2026-000042244 · never reused
Internal UUID01a0ae7a-5d72-7b37-89f0-9a2b08286ccf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042244
StatusPUBLIC

Content hashes

Canonical text1ade356fce9d237bc154a457a2b17a6a18d0438aca253953882b231b2e29c4f7
Markdown0f0fb2d866b1117dc6b4125b76fbeb9c0ada14fe182471247d5047ba94e9e27d
PDF
Publication page59c8084a03a82043ee341911fe6766d32c512f159aea6473afdccd5a1962da18
Manifest49438923d087c4731498906582f6dc2201bf786686fd89baa034d78c4a94c5a6

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
SignatureVOQcowXK0yg+bwWGGHCKMApdqp8jfksbUZ0v7cJ+NEWZCyX1wGgSJtlvacbPYYui5TMd1pEuN1wnFfaWeMV8Dg==
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

2026-09-17T11:15:55.529231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042244
observed 59c8084a03a82043ee341911fe6766d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.510353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042244/manifest.json
observed 49438923d087c4731498906582f6dc22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.490954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042244/publication.md
observed 0f0fb2d866b1117dc6b4125b76fbeb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.471339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042244/publication.txt
observed 1ade356fce9d237bc154a457a2b17a6a...
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.