OpenTechnical

OT-2026-000070143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070143) never changes.

Identity and time

Publication numberOT-2026-000070143 · never reused
Internal UUID01a0ae91-1862-7909-9b79-5a73a5554952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070143
StatusPUBLIC

Content hashes

Canonical textada76fbf3f1a8d06af37b94abea8c4fc5a11f74caa0c83bbe2862461a55bf615
Markdown50ba3c635abb7723276e573f897d5a82d7e9225a6e9a19a8257df84795024cf5
PDF
Publication page567d2f9005a6a10a019065756ad09f1c0c05976fe4cfdeebb4ee81c6bbee1f1a
Manifestc9e057899e9197acba024cfbc5412779e621ab6ec7e3ddd3b530c76a3961a3cc

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
SignaturerqFphH0v24VxA6NlVD9RLtaZDG3/XErDBSS/gvB0PERh0zOd47nABhzRYbJU0+cIaYOmmPGYoNIttvKAF/L8Cg==
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

2026-09-17T10:27:11.237279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070143
observed 567d2f9005a6a10a019065756ad09f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.218984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070143/manifest.json
observed c9e057899e9197acba024cfbc5412779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.200737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070143/publication.md
observed 50ba3c635abb7723276e573f897d5a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.182018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070143/publication.txt
observed ada76fbf3f1a8d06af37b94abea8c4fc...
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.