OpenTechnical

OT-2026-000012178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000012178) never changes.

Identity and time

Publication numberOT-2026-000012178 · never reused
Internal UUID01a0ae6d-39f5-759d-b5df-f9fd75009fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012178
StatusPUBLIC

Content hashes

Canonical text8410d38246277d0e84c1633f8d32413669338c3898ce1218b9c404c0590e6b13
Markdowna1a69f7d191cdc81ec848059f2fd69f8fad75743f63ef84986c9366187b199ac
PDF
Publication page194e510fbcd1e595367221051b821cd94be690df24c6e27cc6806cc3147f875c
Manifest1b2dc0b0637e73bd33b6b8677436179e1343150e07f9a180ed4205b31b443bd3

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
SignaturedfEQWgIINPM3KfH0jL9RzROnc9zDUzBsSQQSpA8sSycuGV67hiKLIL3wYzAjblNISOl0aqL/gf9IQA3fZDV8AA==
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

2026-09-17T12:11:04.876007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012178
observed 194e510fbcd1e595367221051b821cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.857705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012178/manifest.json
observed 1b2dc0b0637e73bd33b6b8677436179e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.840018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012178/publication.md
observed a1a69f7d191cdc81ec848059f2fd69f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.822369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012178/publication.txt
observed 8410d38246277d0e84c1633f8d324136...
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.