OpenTechnical

OT-2026-000091427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091427) never changes.

Identity and time

Publication numberOT-2026-000091427 · never reused
Internal UUID01a0ae9c-f16d-7f28-acd3-614c75ace037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091427
StatusPUBLIC

Content hashes

Canonical text156959161a17ec39e1fde39c68c6c9132f08f9cc48bc071c45af4d8caf6254d3
Markdown69d5de034595e9ce77c65f39b8b1c334b821c92256f7eb22e5ced81129707cf7
PDF
Publication page1f956605d7897b97f943d1e877e6bd2a0b0c563a71d064eb8a64a5a02c04e647
Manifest41ab9ed6009741fbc97e934e9035edbce2a39d4b96f52b9b71aa7ec10d55c5f7

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
SignaturecfBNI/prUQr7fer1o0E4P2GeJMlWz2mYUcT1FO7XjuYmlDW9yrBZjkl29BYOGDge08LFy8IbGnUjUk/mvKMjCw==
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

2026-09-17T09:43:39.937315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091427
observed 1f956605d7897b97f943d1e877e6bd2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.920208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091427/manifest.json
observed 41ab9ed6009741fbc97e934e9035edbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.901461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091427/publication.md
observed 69d5de034595e9ce77c65f39b8b1c334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.885547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091427/publication.txt
observed 156959161a17ec39e1fde39c68c6c913...
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.