OpenTechnical

OT-2026-000019088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000019088) never changes.

Identity and time

Publication numberOT-2026-000019088 · never reused
Internal UUID01a0ae6e-d523-791f-8d08-f250d6cebcb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019088
StatusPUBLIC

Content hashes

Canonical texte7435c88c937223a4bdc6f98929c23d160564007223cac07a34164ef57c2d12e
Markdownc54c848e82ed40ec9e21e58a7613d24ad3fc21e63b5c1de45c81c2fb02ca8758
PDF
Publication page92a4bb8cb84483d875667d1d8bfa08afe2093cd3ad962e223b09ea1f0bf5ba09
Manifestff7f9d1825f6c76bc33c53813274e9d54ae7fd35d455e83d5117df9c8add5e5e

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
SignaturezrhiVQUxWzNk+6LANYiTD07tG63ve/ZIr+ynf1c0nJ9kr66YnutMSdgnNTd0OJhojIuteifgLoN6VoCvHepmDQ==
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

2026-09-17T11:59:47.663515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019088
observed 92a4bb8cb84483d875667d1d8bfa08af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.646239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019088/manifest.json
observed ff7f9d1825f6c76bc33c53813274e9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.628044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019088/publication.md
observed c54c848e82ed40ec9e21e58a7613d24a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.609504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019088/publication.txt
observed e7435c88c937223a4bdc6f98929c23d1...
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.