OpenTechnical

OT-2026-000020414

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000020414) never changes.

Identity and time

Publication numberOT-2026-000020414 · never reused
Internal UUID01a0ae6f-437b-7b32-914b-8577b74c1850 · 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-2026-000020414
StatusPUBLIC

Content hashes

Canonical text3e607fca9af000a84e942e3a34a9b4b5cdc7f8c1fd69816330e9a06c6a8ce341
Markdown80d431b370d04b3190adeec5128f92e5507fcebcfbed38f427e1abb43b53e2ed
PDF
Publication page2216a5ea67985a24cd9900dd9e1c0b8f7a577add029d71d42fcd6d92f3e9c960
Manifest0396c01ca47ffcb74f42c10bc9c67610ff9e740069dcac242a0dd38e078cb7d9

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
Signature2uZu0cPeo4bHDC97OimCpfhAs6lxMUGVF4ITvBP5r2AXWTpIZQXakn3yObVOPivTaqvXtGit1irKNw/WHWZ/DQ==
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

2026-09-17T12:00:19.653579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414
observed 2216a5ea67985a24cd9900dd9e1c0b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.636783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414/manifest.json
observed 0396c01ca47ffcb74f42c10bc9c67610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.618647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414/publication.md
observed 80d431b370d04b3190adeec5128f92e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.597590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414/publication.txt
observed 3e607fca9af000a84e942e3a34a9b4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.651132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414
observed 2216a5ea67985a24cd9900dd9e1c0b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.634574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414/manifest.json
observed 0396c01ca47ffcb74f42c10bc9c67610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.619527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414/publication.md
observed 80d431b370d04b3190adeec5128f92e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.601579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020414/publication.txt
observed 3e607fca9af000a84e942e3a34a9b4b5...
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.