OpenTechnical

OT-2026-000048178

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000048178) never changes.

Identity and time

Publication numberOT-2026-000048178 · never reused
Internal UUID01a0ae80-4de2-7d70-a896-018b0b8edbfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048178
StatusPUBLIC

Content hashes

Canonical texta29394f0f316c553234bfce1b2b27507c4f9811db2c379223d19ec07ec93366b
Markdownea8a4077d6eb359cae19fc1e59a68ab487fd615971a6612abd6904495b7477fa
PDF
Publication pageff9984e53479ffb18da7a8e9f49b036a792666fad7cace5588c9d94b8c689b76
Manifest5d96d157aea10a980d490ca39439b3deef7638a3bb08a121c1249ad341657916

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
SignatureJfzsP0kJe0xNnFtp65zpmm1GkKHrz6z/qFeLQ86+v+bCeO7KppJKr9+Ws0XXNSfBgzTpWXPPxkzR+qMIBQIyDg==
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

2026-09-17T11:04:42.896720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048178
observed ff9984e53479ffb18da7a8e9f49b036a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:42.878400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048178/manifest.json
observed 5d96d157aea10a980d490ca39439b3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:42.859424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048178/publication.md
observed ea8a4077d6eb359cae19fc1e59a68ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:42.839609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048178/publication.txt
observed a29394f0f316c553234bfce1b2b27507...
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.