OpenTechnical

OT-2026-000074228

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000074228) never changes.

Identity and time

Publication numberOT-2026-000074228 · never reused
Internal UUID01a0ae93-7178-76ff-a448-ce96f7dbf6fa · 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-2026-000074228
StatusPUBLIC

Content hashes

Canonical textc2bde1a11cc17fdfa70be9e7b34303e59e05b5a4a000b12572723150504792b3
Markdownee371e07ff04c4d46a9c2955decf60fdad2ed4d3c9cc3573e928922f1060376f
PDF
Publication page935fc951b74ca9f16a566a009394fded0dd0a597aeed8bab67cc98abdad7f283
Manifestdaad95599707b0adb59109f2f1e810cfa2450212cca526b636650483cba774eb

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
SignatureafHFVZ9X4Sy3oYhaav3QFLTTmqUVJrwyURpzRQKGSI2ZnszVb5ubIgyDaMgZakSqm14cjKUuYdGM7AzrVStiDQ==
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

2026-09-17T10:19:05.699146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074228
observed 935fc951b74ca9f16a566a009394fded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.679826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074228/manifest.json
observed daad95599707b0adb59109f2f1e810cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.660907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074228/publication.md
observed ee371e07ff04c4d46a9c2955decf60fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.642055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074228/publication.txt
observed c2bde1a11cc17fdfa70be9e7b34303e5...
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.