OpenTechnical

OT-2026-000026112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000026112) never changes.

Identity and time

Publication numberOT-2026-000026112 · never reused
Internal UUID01a0ae71-a840-7abd-b318-d361d6213e76 · 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-2026-000026112
StatusPUBLIC

Content hashes

Canonical text4bf63533090f2b12a3c6ad11b9d88d725e348043e879013d457a7ed3268bc8db
Markdown85ad16545a9bf1e87a1b29c9bd67a8e24a4decb605831a719751bb9d4b0dd4d2
PDF
Publication page660c96d6c5e64ef9ab58c25bab0485168a29c5e810235f7f4ec4946d69f5314f
Manifest3b116a940ffb00119c973125a200af2bc2e689ff865731657df7d2aea704967e

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
SignaturequNNL9Cm6uc9OCuuroePXMElrMgExmmUYcPCOksFiHOxSNk+AT/9+DYclur/9untGsJIgi/kkKWk35tVqXxgDA==
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

2026-09-17T11:46:36.959758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026112
observed 660c96d6c5e64ef9ab58c25bab048516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.940163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026112/manifest.json
observed 3b116a940ffb00119c973125a200af2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.922183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026112/publication.md
observed 85ad16545a9bf1e87a1b29c9bd67a8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.904173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026112/publication.txt
observed 4bf63533090f2b12a3c6ad11b9d88d72...
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.