OpenTechnical

OT-2026-000076862

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000076862) never changes.

Identity and time

Publication numberOT-2026-000076862 · never reused
Internal UUID01a0ae94-b070-7434-b372-44caae665d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076862
StatusPUBLIC

Content hashes

Canonical text94c6520b70c94e7d90870b4423ec09efc233cfc5b7248f9bc1588d4301059600
Markdowneae0f156068fb187c5a33c3dfd876cfec9200c62c5b0fa4261cafc45899e7720
PDF
Publication page450d3ee5b7fd6dc00fb6930c0de248720087e5afc4760f218e9d90fc6880fc9f
Manifestd52f73e84b56452d3986a58b2dba4387d59cf0debadf56742154ede48d745420

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
SignatureA54uWgrP1UR4SoeTgukqF4JEaqZe+vNgyNjjX1w6ipDo8C81MEC6DP04o0/NYZ9GsdV+jXWN9dOBQlKFvVvBCw==
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

2026-09-17T10:09:45.255751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076862
observed 450d3ee5b7fd6dc00fb6930c0de24872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.237391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076862/manifest.json
observed d52f73e84b56452d3986a58b2dba4387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.217232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076862/publication.md
observed eae0f156068fb187c5a33c3dfd876cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.198354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076862/publication.txt
observed 94c6520b70c94e7d90870b4423ec09ef...
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.