OpenTechnical

OT-2026-000069850

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000069850) never changes.

Identity and time

Publication numberOT-2026-000069850 · never reused
Internal UUID01a0ae91-1860-7ad7-930e-ac3e45927912 · 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-2026-000069850
StatusPUBLIC

Content hashes

Canonical text4e6ef2a84bc991f8c2ab72066e603fe75866f049a62bd12a30710052f205e06f
Markdown3e8d84478495d3294ad978be756154a7d6b84663ca6dbed7f9577eda3fe0136d
PDF
Publication pageafc035ba5d17a31b3c70e7d29941fc0a65c3457e08dccd822061c4a5bb8ed8e5
Manifest6b21503cf2c903afab5d7880fcd881629ca41ee4308538b343b6c556d55c69d8

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
SignaturetKYSrTXZyvVXFm2uCf7wZj7jV6KAXKdRP2OKorgTI1NrQrcE7IPDB9dTO9GjhVKACZAnJXNQTb8YdDoFmA7xDA==
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

2026-09-17T10:26:32.582456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069850
observed afc035ba5d17a31b3c70e7d29941fc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.565687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069850/manifest.json
observed 6b21503cf2c903afab5d7880fcd88162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.548137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069850/publication.md
observed 3e8d84478495d3294ad978be756154a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.530491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069850/publication.txt
observed 4e6ef2a84bc991f8c2ab72066e603fe7...
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.