OpenTechnical

OT-2026-000040816

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000040816) never changes.

Identity and time

Publication numberOT-2026-000040816 · never reused
Internal UUID01a0ae79-6d10-7276-91e6-84ff07e0e08e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040816
StatusPUBLIC

Content hashes

Canonical text6bb493427d57dc8e17b8c6ecd8e5fbf73910de27fae7a3c7be404369857d3c28
Markdown5c2a11fb48383b751951418b17ed34745cc9f06d0e0b1161aee5351207e4d8dc
PDF
Publication page4c0f6ae0d8056ae3b28b41f9800fb0bc3cd2c757bab186001749a0ca2683fe56
Manifestc1703e89e51229e7664fb3628dab377f84b4d258213f5958f317cc961003081e

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
SignatureSXVDtqhDgBk49iichtQYI4Vz2IAyd+JylCv8YTd6gfG6srsw/yBUcEUl3llDxAwRTLJWre4HJkU77W8C55JEDA==
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

2026-09-17T11:20:09.594255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816
observed 4c0f6ae0d8056ae3b28b41f9800fb0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.574828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816/manifest.json
observed c1703e89e51229e7664fb3628dab377f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.558524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816/publication.md
observed 5c2a11fb48383b751951418b17ed3474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.540001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816/publication.txt
observed 6bb493427d57dc8e17b8c6ecd8e5fbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.537185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816
observed 4c0f6ae0d8056ae3b28b41f9800fb0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.518499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816/manifest.json
observed c1703e89e51229e7664fb3628dab377f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.499691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816/publication.md
observed 5c2a11fb48383b751951418b17ed3474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.481225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040816/publication.txt
observed 6bb493427d57dc8e17b8c6ecd8e5fbf7...
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.