OpenTechnical

OT-2026-000020493

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000020493) never changes.

Identity and time

Publication numberOT-2026-000020493 · never reused
Internal UUID01a0ae6f-437c-79c0-aa5d-325bf7723cb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020493
StatusPUBLIC

Content hashes

Canonical text304a8d180004246989f4a2006d631e58a995aaac0a6536a62f627ed748a7eba1
Markdown267f3733c8b29b0ea4510d278e05c55fd003baada6aa9e73416c646c373a453f
PDF
Publication paged232a8f0f5e6a1335fe5e253e1c5765fd1f23bad5c414944acab961cc22dea2e
Manifest1768927128c0622971bb08a15ecd23fd0a53390a888cb3f47cb5151550ef08dd

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
Signaturek21+11fWNoRPilVyWgutVixde4r+2GA1xyLbz6Pyxu/EDiGVJsnnk8Znhwk3KiTPNhtk42bWbDxT+y/bJmACBA==
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

2026-09-17T12:00:26.763882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493
observed d232a8f0f5e6a1335fe5e253e1c5765f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:26.744706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493/manifest.json
observed 1768927128c0622971bb08a15ecd23fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:26.725304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493/publication.md
observed 267f3733c8b29b0ea4510d278e05c55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:26.704753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493/publication.txt
observed 304a8d180004246989f4a2006d631e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.108287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493
observed d232a8f0f5e6a1335fe5e253e1c5765f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.089163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493/manifest.json
observed 1768927128c0622971bb08a15ecd23fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.073000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493/publication.md
observed 267f3733c8b29b0ea4510d278e05c55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.055494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020493/publication.txt
observed 304a8d180004246989f4a2006d631e58...
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.