OpenTechnical

OT-2026-000026232

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000026232) never changes.

Identity and time

Publication numberOT-2026-000026232 · never reused
Internal UUID01a0ae71-a841-7481-8a2c-cf499323d7ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026232
StatusPUBLIC

Content hashes

Canonical textf603ff6798d0d636d94abda9854c1c1608acf86d05828b54e0f677d5a002e175
Markdown788dc815fe6d836ae3ad81955e1cc99a9c73874cf569b3c26039f94119d4967e
PDF
Publication page5f84bc610bb7255bb6793354fc4137d47a7e23089bc7c34ea3b45f9d4b820ea6
Manifestfc4a6ba850da3ba51c22af70d65368c4ecb588e3d0faaa6e23974a0e34e00109

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
Signaturefl94dOvTOgcBwCDnGFsKXqLqd685GDQr5C6K2F0/qRHQ+cfDUcF77gazBhNJ1n7TWQ2sBzqEItDUGHHB60TBCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:45.872137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026232
observed 5f84bc610bb7255bb6793354fc4137d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.854691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026232/manifest.json
observed fc4a6ba850da3ba51c22af70d65368c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.836406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026232/publication.md
observed 788dc815fe6d836ae3ad81955e1cc99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.818029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026232/publication.txt
observed f603ff6798d0d636d94abda9854c1c16...
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.