OpenTechnical

OT-2026-000067233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000067233) never changes.

Identity and time

Publication numberOT-2026-000067233 · never reused
Internal UUID01a0ae8f-6bd5-70bd-a56f-794fe3230361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067233
StatusPUBLIC

Content hashes

Canonical text694c53dd83bb4ef1444c6bbef54970821ec2284756cba22d294a524a74feec0a
Markdown9a9611e1790e504707ab611b905779fa5215c4d29169ba125b9b04e6cb660194
PDF
Publication pagebbb706b05bcfa672f5b22ddedc7e7577d1f917897bfbd86703e62b016962ab92
Manifestaf50884dc9af5bffab22a6f98b420706e3eadc5cc040e28af0e3ad32ab59a7e0

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
SignatureT91p7r9GrgFmqrHg9u5iPwkNuQBSOqTY+gzySLy427UXS+hvTM9wzekweG3PfuPRfHlDaejCmbXrtRHZccUxAA==
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

2026-09-17T10:30:54.190824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067233
observed bbb706b05bcfa672f5b22ddedc7e7577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.173479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067233/manifest.json
observed af50884dc9af5bffab22a6f98b420706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.155157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067233/publication.md
observed 9a9611e1790e504707ab611b905779fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.137477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067233/publication.txt
observed 694c53dd83bb4ef1444c6bbef5497082...
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.