OpenTechnical

OT-2026-000080516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000080516) never changes.

Identity and time

Publication numberOT-2026-000080516 · never reused
Internal UUID01a0ae96-7e78-7b58-aef4-af5008c1c551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080516
StatusPUBLIC

Content hashes

Canonical textf1634b2f216b355288f6a03835a0b5e0bb257a12342655cb078b9d715f09805f
Markdown8596d5198f2c57d2d2f528781778174f41754bddcc6dc9979d54df07a3c5e4bc
PDF
Publication page2e2479737c167ff3b5a7daefc31ee11202185b84abe3bf93cecd4284e20bdf7e
Manifest086a9637da0033d37594b1baf6df7ff006e2257fafd8a3025a4012054bae973d

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
SignatureoNcMbBXKLCmA03k6zDqm4fkIyW9XJfe49irxvLlvbf5jPGWJteL/cMfkK9mliK7hDs1jbYw9aKvwSiySP3VEAQ==
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

2026-09-17T10:03:02.301620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080516
observed 2e2479737c167ff3b5a7daefc31ee112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.284934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080516/manifest.json
observed 086a9637da0033d37594b1baf6df7ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.266471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080516/publication.md
observed 8596d5198f2c57d2d2f528781778174f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.248484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080516/publication.txt
observed f1634b2f216b355288f6a03835a0b5e0...
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.