OpenTechnical

OT-2026-000055422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented before set-down

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-2026-000055422) never changes.

Identity and time

Publication numberOT-2026-000055422 · never reused
Internal UUID01a0ae86-a101-7fc4-8a8d-b6583a8144e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055422
StatusPUBLIC

Content hashes

Canonical texte21419bea37257987d7fe49f6f50073cd8b4298147c83fe97d564681edf03839
Markdown371618d9d9c7fa60782d6baaca16e1af37c777c36993c67d4559fa5a6a0629d8
PDF
Publication page90fc38aa27a45cd68802c4d3df0a59d3be4dd9013d5ea877642d17196644456c
Manifest652212799404b7096c41e8e95062bfb84c98c988f6ddd670126cb57025d27672

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
Signaturedyzaaxh0waYqBt6arKt/VafzPxOa3GIfk8uRnnlCtXHJUW1Snxx7jsD1CWfIaK/IoD8jhDk8goICRJYQ6DxjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:04.114047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055422
observed 90fc38aa27a45cd68802c4d3df0a59d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.097188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055422/manifest.json
observed 652212799404b7096c41e8e95062bfb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.078420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055422/publication.md
observed 371618d9d9c7fa60782d6baaca16e1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.061511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055422/publication.txt
observed e21419bea37257987d7fe49f6f50073c...
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.