OpenTechnical

OT-2026-000032664

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000032664) never changes.

Identity and time

Publication numberOT-2026-000032664 · never reused
Internal UUID01a0ae75-1070-78ac-8553-1db4bf227ab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032664
StatusPUBLIC

Content hashes

Canonical text205e94b096e30ecfa547f7bb6cb150eb7b95a37024bfdcf0aa561d25544f0d2d
Markdowneef11b0aabb0229d54000ae255debf225d701a89f59db88910b2136352edd586
PDF
Publication page6a1f6e4eff5f870e79b4f2563caa42621ece1f4ec46e3ac4c918df22ac9b6ab6
Manifest0157c9e595b932766ac2711efb744f57fc5f4c86094b8a7cc95690333d39915e

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
Signature1F9CKLhOh06GwCcGqUhL4bqJu+R9I99q3gRUYzgAyw6Aj0NHHF/phfuzHqFZMTO6tAzz2Yc/f5yD3CY793Y1Cg==
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

2026-09-17T11:34:15.773805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032664
observed 6a1f6e4eff5f870e79b4f2563caa4262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.755027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032664/manifest.json
observed 0157c9e595b932766ac2711efb744f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.734965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032664/publication.md
observed eef11b0aabb0229d54000ae255debf22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.714189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032664/publication.txt
observed 205e94b096e30ecfa547f7bb6cb150eb...
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.