OpenTechnical

OT-2026-000066189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000066189) never changes.

Identity and time

Publication numberOT-2026-000066189 · never reused
Internal UUID01a0ae8e-8dc3-74b4-b902-7a2cc4fb7b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066189
StatusPUBLIC

Content hashes

Canonical textf17f9b28102e5c969f04115188cb112906b95ab2b2dcfaf9ec95bf58856d0ab6
Markdown82858470579f5306e77a4f13d57a28396996c3b34ceb1df1714d2314c95d4d8f
PDF
Publication page6d80dffa72b63124ede4b3e56104e7bab7cc99ba1192a659035f86a9a059ca91
Manifestee83a70c42d72ae85afef6c7ddfe959bf64e8bf0266beaa054b0355207ff31cd

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
SignatureBO7eovgo6T4WLHdoejk57kAvxTJE0qwQPL0yfZqkz7iUEj6Skq6zwSs5BRFElLO2P66jvkr0EAVej6lX1DrmBQ==
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

2026-09-17T10:33:20.281922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066189
observed 6d80dffa72b63124ede4b3e56104e7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.262757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066189/manifest.json
observed ee83a70c42d72ae85afef6c7ddfe959b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.245486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066189/publication.md
observed 82858470579f5306e77a4f13d57a2839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.227183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066189/publication.txt
observed f17f9b28102e5c969f04115188cb1129...
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.