OpenTechnical

OT-2026-000073330

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000073330) never changes.

Identity and time

Publication numberOT-2026-000073330 · never reused
Internal UUID01a0ae92-efb7-77e0-8807-942643e67738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073330
StatusPUBLIC

Content hashes

Canonical text7b2743277bd982fca9f7441f465c5db32f0132d97922b046047ab0a3728e3aae
Markdowndaa0047ade3f4b6d558cfecdeafea32d327ab7a252c3fb31166b6db871898528
PDF
Publication page99e421d46c92361248ecf97575f993255e13e738fbeba8762334ad8b02e06bff
Manifest7a36e6fed7365eba8ed099e9de8be2f311d3a3886ec10b93655962757dc6d58d

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
SignatureyDJ6lbIQKYb0xVEuL9TeT0kHv4Fr2d9u9vWB7wJcik4Im67338hpxvvztoJzbUjjZEAyhRGRWzjFbPO5C2RqBA==
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

2026-09-17T10:21:20.898546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073330
observed 99e421d46c92361248ecf97575f99325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.877623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073330/manifest.json
observed 7a36e6fed7365eba8ed099e9de8be2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.858370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073330/publication.md
observed daa0047ade3f4b6d558cfecdeafea32d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.839244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073330/publication.txt
observed 7b2743277bd982fca9f7441f465c5db3...
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.