OpenTechnical

OT-2026-000031586

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off 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-2026-000031586) never changes.

Identity and time

Publication numberOT-2026-000031586 · never reused
Internal UUID01a0ae74-87af-7214-a7d5-d582d169cd00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031586
StatusPUBLIC

Content hashes

Canonical texta5e8342283e7c285ebd98ffd076c3ae2d5eac953735da13415d660237969726d
Markdown93b0bc6e1135973f690f26471eaf9cd79177879a33c866656abf3bcb7faaedcd
PDF
Publication pagee631f33692c0482f120aea8552b939f29bee743e830adb9e73fca9aa232966b8
Manifest45fe7c80e41c2ddd6b8f88dbae6cc944c25246b6a89252281121456efa171391

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
SignaturefmZR19901jEoHQXzovVweB+xvncKfGE+wwim3zyI/aNCLFKtULZ1m4kn9qgW8FsJ6T9IrtpfGrcjD9/mCO8GBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:26.410925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031586
observed e631f33692c0482f120aea8552b939f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.390489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031586/manifest.json
observed 45fe7c80e41c2ddd6b8f88dbae6cc944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.373046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031586/publication.md
observed 93b0bc6e1135973f690f26471eaf9cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.352313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031586/publication.txt
observed a5e8342283e7c285ebd98ffd076c3ae2...
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.