OpenTechnical

OT-2026-000071022

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000071022) never changes.

Identity and time

Publication numberOT-2026-000071022 · never reused
Internal UUID01a0ae91-8c2e-79e4-825f-cf0f13e4e189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071022
StatusPUBLIC

Content hashes

Canonical text36526dcb4b81382c029a18949bb9ca90b639b5ddf40f6b2dcde8a0e5f888040e
Markdown22ffd5872b7417201942bd3fec19506a49905a08037697d62b2f9ed017f3ff9c
PDF
Publication page2768686869a8b020ee213313757e5b5c49552e36ad983c3d4e4691040a7503b1
Manifest45274aa6dd60de86b9afcfba2c2853ed5b45b6f8e7d4684a253cd8ad6eebae48

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
SignatureQvAF3aNg2AjnU20C/KNC91TQgt7C3VP7Tu8ROpjCqinbd83tnXuZrQXvWI77uiurQIrcjbXV/ziFnrF/QGefDA==
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

2026-09-17T10:25:51.149171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071022
observed 2768686869a8b020ee213313757e5b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.132083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071022/manifest.json
observed 45274aa6dd60de86b9afcfba2c2853ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.104853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071022/publication.md
observed 22ffd5872b7417201942bd3fec19506a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.079084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071022/publication.txt
observed 36526dcb4b81382c029a18949bb9ca90...
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.