OpenTechnical

OT-2026-000084114

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000084114) never changes.

Identity and time

Publication numberOT-2026-000084114 · never reused
Internal UUID01a0ae98-5b5f-7c5c-b970-0d2fdc220729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084114
StatusPUBLIC

Content hashes

Canonical text0063062a1d556925a21273f1a837b6da753880c2187c42afa2ae5ece3667dfe2
Markdown4b80c4c6fc919d25a14c1757ecc82702ef2dc597932f264d84d6315dbf210a02
PDF
Publication pagee2c2c9f8e1168fcc89fe7d8acf7afa1404985dd88f172ca2f50fd98f92c25fce
Manifest5ca6f1a4f42171c3ae71118d27d7c612419d22cfe2f97a84b50977968120cd49

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
SignaturedhhtAYy7XQo2I+UtNQXw9/Jh7BJLm2C/neys6gm8/GGJv9SfEfafXt8Px0WFj6Kzf6ixhtVaDOVWbMDDRiMiBg==
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

2026-09-17T09:55:52.332627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084114
observed e2c2c9f8e1168fcc89fe7d8acf7afa14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.313226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084114/manifest.json
observed 5ca6f1a4f42171c3ae71118d27d7c612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.295455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084114/publication.md
observed 4b80c4c6fc919d25a14c1757ecc82702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.275472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084114/publication.txt
observed 0063062a1d556925a21273f1a837b6da...
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.