OpenTechnical

OT-2026-000094520

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000094520) never changes.

Identity and time

Publication numberOT-2026-000094520 · never reused
Internal UUID01a0ae9e-f4e9-722d-8b67-48f1c6bc2b7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094520
StatusPUBLIC

Content hashes

Canonical text29179e4ebfd763058403257b364d22dfd1d991d9953bedaf9245e3ceffb24a07
Markdownb415406c9eca08855649ada7361414e19b9b6b1c3b6eb679ecb7ea19c1840cb7
PDF
Publication page59dd2b0275d9dd6f70f1374c72244e09383153ed911bf61c1020f79655563026
Manifest7f40f4f05d0df89eb12a9246123366a745d1aa8e41fa446ef47e7fd4053823d4

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
Signaturemp1JmMX72R20HLeNK/qlN3yvSj9ClteAnX2ZVQMZEGqm3ENDZ8JW6jrb9xSTw/y+21SjJDBqN+RyyS5cwfiNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:57.518829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094520
observed 59dd2b0275d9dd6f70f1374c72244e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:57.502151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094520/manifest.json
observed 7f40f4f05d0df89eb12a9246123366a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:57.483057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094520/publication.md
observed b415406c9eca08855649ada7361414e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:57.465024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094520/publication.txt
observed 29179e4ebfd763058403257b364d22df...
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.