OpenTechnical

OT-2026-000045298

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000045298) never changes.

Identity and time

Publication numberOT-2026-000045298 · never reused
Internal UUID01a0ae7c-f76b-77c4-9b96-9215c67df727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045298
StatusPUBLIC

Content hashes

Canonical text78562ea6d6ae519d63164661b2a29de056f9eb4fd8e2129f209bc33a8df38e43
Markdown0a023538050e27b3a59dadf5436c94f6cf01e9559ec579bce4a80bc6eda9d97b
PDF
Publication pageb627017b32a5314dbb93eb7a74f105e9f7ca0a787ef1e07bab4d962a602aecbe
Manifestc185ee63c18974cc0426cf71b904719c724ee06e2454ac5e53fee2d5673f0dca

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
SignatureARvPbY0nndjY2i7x2s3LaP+0k8JMyhSj5nzWMG9g7weQZ1LC7e3KgT7xLB7B7i0HBbWXolVdPLAJFLiH+KA6Bw==
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

2026-09-17T11:10:31.145694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045298
observed b627017b32a5314dbb93eb7a74f105e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:31.125926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045298/manifest.json
observed c185ee63c18974cc0426cf71b904719c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:31.104032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045298/publication.md
observed 0a023538050e27b3a59dadf5436c94f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:31.087311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045298/publication.txt
observed 78562ea6d6ae519d63164661b2a29de0...
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.