OpenTechnical

OT-2026-000088730

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000088730) never changes.

Identity and time

Publication numberOT-2026-000088730 · never reused
Internal UUID01a0ae9b-8f10-7ba0-8d3b-abfc16e44da5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088730
StatusPUBLIC

Content hashes

Canonical text493b56242ba26f456494f34f48fdcb5331498a433f2c06420c782d99172a52be
Markdown854ca9be842459ea3fb4ccae48f21e2cb1ee8bea219d366f037505544e259ff7
PDF
Publication pagec5e6a3a8becd389e7f7fc6ec910b1728da11db8f0d1fb5febdb117be1dadfecc
Manifest0a71d667660599700fbfae71e881a73aa3b8f1ddc97754acb815a67b9de53196

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
SignatureUXTGoT2cjcSytcGigttwMSTzhLmNZ1TmL1OghDdh2bccvQVugykiKWaz4pDHzOOvcBzqEOBDwF4cklHuLkmOBQ==
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

2026-09-17T09:47:58.418968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088730
observed c5e6a3a8becd389e7f7fc6ec910b1728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.401612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088730/manifest.json
observed 0a71d667660599700fbfae71e881a73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.383199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088730/publication.md
observed 854ca9be842459ea3fb4ccae48f21e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.365093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088730/publication.txt
observed 493b56242ba26f456494f34f48fdcb53...
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.