OpenTechnical

OT-2026-000047681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000047681) never changes.

Identity and time

Publication numberOT-2026-000047681 · never reused
Internal UUID01a0ae7f-c41f-7927-9bcc-438dc6a129e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047681
StatusPUBLIC

Content hashes

Canonical textea8523c770dd6f8ace4325d121578ecc0267bd88a1b4591edb53ec0a51a9dfe0
Markdownce8e6555f0ddf7ec459df8d4e4c5af43aa55358576192cbc28baa878973a4936
PDF
Publication page967615393a45eca8361a98c57bc4cfd04969b22a099683349f36cf7eeb209a87
Manifeste3095f92bf931616e6e9003f0c7db057c311749eaf747e24624618894790bfd6

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
SignatureN+WpF989OCMcxxrLh/FiqlMhZTDtKvb3AUYmAYa2ItH1NGObcu2kll2+M9JXqPlqyZ5zJz8LdM3FX/IWT8PyAA==
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

2026-09-17T11:05:31.730439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047681
observed 967615393a45eca8361a98c57bc4cfd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.709602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047681/manifest.json
observed e3095f92bf931616e6e9003f0c7db057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.690063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047681/publication.md
observed ce8e6555f0ddf7ec459df8d4e4c5af43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.671902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047681/publication.txt
observed ea8523c770dd6f8ace4325d121578ecc...
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.