OpenTechnical

OT-2026-000076206

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000076206) never changes.

Identity and time

Publication numberOT-2026-000076206 · never reused
Internal UUID01a0ae94-6a6f-74e4-8c3d-dc3b7e1077a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076206
StatusPUBLIC

Content hashes

Canonical text8479cd8c5d1b2ed84533b2a21ea6eda83e579fe1e947fb92ae1e2a85437e6896
Markdown645947b2f29d33c2ae325fd3becd9c70737218f652cde1c52c544160e1789b28
PDF
Publication page27f5548770d7aba9876ed13030c6af6745891e1b69842356b630480faae84519
Manifestaadad8c295317a4e1c0faac7d2dd964ad2d0f750f48f9f6c155d65782e193c82

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
SignatureMQMo7KjIemZz3ciIgIUrOl3vcJXXgPwNva1h5S4gKUGl1f91ZZxx8zDhix900xK6PHsdRh2vCBTB+o8NVE83Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:34.542631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076206
observed 27f5548770d7aba9876ed13030c6af67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.524681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076206/manifest.json
observed aadad8c295317a4e1c0faac7d2dd964a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.507922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076206/publication.md
observed 645947b2f29d33c2ae325fd3becd9c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.491643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076206/publication.txt
observed 8479cd8c5d1b2ed84533b2a21ea6eda8...
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.