OpenTechnical

OT-2026-000023183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000023183) never changes.

Identity and time

Publication numberOT-2026-000023183 · never reused
Internal UUID01a0ae70-7267-7296-96b5-5fcf37614ba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023183
StatusPUBLIC

Content hashes

Canonical textad83de7871d1367e1b8b6cb56bb6544ec5272f2608f2c2cc6a8bbbaabe70bb35
Markdownb079bedaff1a8b1a00db90187632a93c73e01f0921165fd34a7fe5b9bb1d9858
PDF
Publication page8a269b51c8452e78ea0bf5051628f0d24b98971ab42da2e8d2566c10a6f6e53c
Manifest70597105105f854cf6ff7402291f9831e958da0ea7e4f2eb8ea99e32d2f99c79

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
SignatureSGJUBt6xuF12pUET8Bc/vu9ii4M4CAl+s+L1F2IYR3d8wbhXU24H946QdWn7mK3CXqyyIKDli8eeSKYdYp11DQ==
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

2026-09-17T11:51:07.842083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023183
observed 8a269b51c8452e78ea0bf5051628f0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.824499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023183/manifest.json
observed 70597105105f854cf6ff7402291f9831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.808481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023183/publication.md
observed b079bedaff1a8b1a00db90187632a93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.792607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023183/publication.txt
observed ad83de7871d1367e1b8b6cb56bb6544e...
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.