OpenTechnical

OT-2026-000040315

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000040315) never changes.

Identity and time

Publication numberOT-2026-000040315 · never reused
Internal UUID01a0ae79-2700-7dd4-9c4c-2db6577e9e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040315
StatusPUBLIC

Content hashes

Canonical textfb542b84a572bc45a60ed410d7f17b24baeada7afb841246b54199c4b47dc263
Markdown8acb786b0fe7506f4cb5f8ca7f107829a54d06668d84379f3da7fa66f79961b5
PDF
Publication page3fa08197134bac48036dba8f12ab7bc558e13548718f02669ae342292987d8bb
Manifestbfe1e42a19333bae1cf7bff37ddfa68ac4fd3bcf96663d04373d4c9efc70b854

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
SignaturerVhH+MBkAEr8nOZkziVo4VeAjboovE0RHa2VU2iyU/u/you0YEpOtxy/9p4zoOcPxJYbbvGyRAYyIXh7ogOhBA==
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

2026-09-17T11:19:18.915025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040315
observed 3fa08197134bac48036dba8f12ab7bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.898684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040315/manifest.json
observed bfe1e42a19333bae1cf7bff37ddfa68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.879796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040315/publication.md
observed 8acb786b0fe7506f4cb5f8ca7f107829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.861341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040315/publication.txt
observed fb542b84a572bc45a60ed410d7f17b24...
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.