OpenTechnical

OT-2026-000094816

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000094816) never changes.

Identity and time

Publication numberOT-2026-000094816 · never reused
Internal UUID01a0ae9f-2ded-76c1-90ad-89cac3fc9ad3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094816
StatusPUBLIC

Content hashes

Canonical text62c7913db7d7600361bbd19c3ad2fcec293dbec1ad1716b115be2a42f652a59f
Markdown78dd4855bf7aff0fe3c890f1c7bb33eaceaee8ae1bb81efc76fdd5bf8d08073c
PDF
Publication pagef608e78eb9e66594bfc8cd7b1ab86221f36d30f498538990a595693499a1bda1
Manifest76edae4883ba08d004848b35094b7688efe04200c680995f27d4cce495599e32

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
SignatureryXbIdpBIOiEFKcVME/JmLBqWBkEngkBW1wFOBcX1hohOXMAeGvnAgrUbAg0eEywp7FzoFHjhyPwPeYWiXivDg==
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

2026-09-17T09:37:18.164221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094816
observed f608e78eb9e66594bfc8cd7b1ab86221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:18.141830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094816/manifest.json
observed 76edae4883ba08d004848b35094b7688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:18.124099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094816/publication.md
observed 78dd4855bf7aff0fe3c890f1c7bb33ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:18.106236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094816/publication.txt
observed 62c7913db7d7600361bbd19c3ad2fcec...
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.