OpenTechnical

OT-2026-000050716

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050716) never changes.

Identity and time

Publication numberOT-2026-000050716 · never reused
Internal UUID01a0ae82-c7b1-73ba-b24f-96d4bbeed299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050716
StatusPUBLIC

Content hashes

Canonical text6d7244a72c4b389a09eb63ce397517ead3abbcbc76f43b70251f8d7e69cd56db
Markdown1d7caae83105d7d8dbc3d92c79e949481296cd95468f6209791cf6d2473090d9
PDF
Publication pagee6690efb38690607eafb7135318e1896ce331932a7b3ad1775670f1ec651a4f4
Manifest91da96e9b037093656da6a615abb9bcfdb788c956dabe89ae20962e845679ee0

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
Signaturevs6dlKevhDDfU9jM8rVLy0rw7GqqflOt6ZPAXHXDex1x/nBMBNS0GCtv5Wq/8gDAXTESXIriXeuFJ0/aEsluAg==
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

2026-09-17T11:00:04.414766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716
observed e6690efb38690607eafb7135318e1896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.394001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716
observed e6690efb38690607eafb7135318e1896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.392246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716/manifest.json
observed 91da96e9b037093656da6a615abb9bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.371615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716/publication.md
observed 1d7caae83105d7d8dbc3d92c79e94948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.371198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716/manifest.json
observed 91da96e9b037093656da6a615abb9bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.353401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716/publication.txt
observed 6d7244a72c4b389a09eb63ce397517ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.351664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716/publication.md
observed 1d7caae83105d7d8dbc3d92c79e94948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.328325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050716/publication.txt
observed 6d7244a72c4b389a09eb63ce397517ea...
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.