OpenTechnical

OT-2026-000047559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000047559) never changes.

Identity and time

Publication numberOT-2026-000047559 · never reused
Internal UUID01a0ae7f-3e59-7684-8c29-b6c8356e1769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047559
StatusPUBLIC

Content hashes

Canonical text9fd63f9b31d60bedf270beae6fcdd0b02736b5bc5f66618f904365d8217f0edc
Markdowncc7139636adb7f01b3b592a6bde5e39ba2f0b121a58ab10c301e71affd7f5587
PDF
Publication page9ab8f312330133af0e9daa97e809ba628f8e604407030ac5ce6cefd8e7f822ae
Manifest3f7b26f545ee41684890130b42efe0e99c1ae2ca4a66265c6b622e78626172c4

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
SignaturencnM9PfByecq7m+k+++ZcEgDS80f7J9vd7Pet29ng+UnwoU3Rlaf8s2kSnz85VTD4wHly09p9khCJtZ6CP8ADg==
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

2026-09-17T11:06:40.873286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047559
observed 9ab8f312330133af0e9daa97e809ba62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.855919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047559/manifest.json
observed 3f7b26f545ee41684890130b42efe0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.839149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047559/publication.md
observed cc7139636adb7f01b3b592a6bde5e39b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.822183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047559/publication.txt
observed 9fd63f9b31d60bedf270beae6fcdd0b0...
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.