OpenTechnical

OT-2026-000074408

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000074408) never changes.

Identity and time

Publication numberOT-2026-000074408 · never reused
Internal UUID01a0ae93-717a-70ea-9a6d-3abfa41f558f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074408
StatusPUBLIC

Content hashes

Canonical textf1f3732953054eecce64ebba5cf48619b23106bbfe706cd7bc722fa3574bfca7
Markdown7d7629e6054cce1dfbdbd846af47d3d8ac05e9addd7a71ab9c7db3b14524d01b
PDF
Publication page3c29a67fbcba5721612ffffd7b171a48e74fefefe12503f61458391eba738da8
Manifest07b83891cceb55d0faa36f4f3aefe3b2065556ee47d616ce8fdf0d0d1f5145d9

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
SignaturepEmwji52vRtUy2MYde5v7UIzAOegegG41js7ZUMEORdML7nd58vWH+qTPr7Uw9L0/Hw+OrLYZHeyhJhbK+TnCw==
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

2026-09-17T10:19:21.010193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074408
observed 3c29a67fbcba5721612ffffd7b171a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.990794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074408/manifest.json
observed 07b83891cceb55d0faa36f4f3aefe3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.970338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074408/publication.md
observed 7d7629e6054cce1dfbdbd846af47d3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.949586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074408/publication.txt
observed f1f3732953054eecce64ebba5cf48619...
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.