OpenTechnical

OT-2026-000046023

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000046023) never changes.

Identity and time

Publication numberOT-2026-000046023 · never reused
Internal UUID01a0ae7e-0329-7d19-94ba-d71b7a71910e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046023
StatusPUBLIC

Content hashes

Canonical text2a17ecd44c3da153db5d8426e83d8c766a807c5c9bef966e28ed6fc09e7465eb
Markdownd844fedecc9d176f4e4c08f3e90ef9ac168e1ac64bee2482166af939ba920925
PDF
Publication page00a38d6e01f12d19c2d15c45789e7dd004ac34727b38bd199d896a80fd97520c
Manifest0b6ef1f3f8dd993e54b71b868de0c17095529903bae87ecece843025d2c4e35d

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
SignaturejIeEOjQs86+MsWj8/ECbD43L7cUFmkDeaiSyGlYt6YPjlll6I+789N6xr4HfvG1z2aem4Wn/vYkLOQkWpHg1Bg==
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

2026-09-17T11:08:58.217666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046023
observed 00a38d6e01f12d19c2d15c45789e7dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.197314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046023/manifest.json
observed 0b6ef1f3f8dd993e54b71b868de0c170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.176657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046023/publication.md
observed d844fedecc9d176f4e4c08f3e90ef9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.156019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046023/publication.txt
observed 2a17ecd44c3da153db5d8426e83d8c76...
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.