OpenTechnical

OT-2026-000034001

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000034001) never changes.

Identity and time

Publication numberOT-2026-000034001 · never reused
Internal UUID01a0ae75-df0c-72b1-80dd-2e0acbdac96f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034001
StatusPUBLIC

Content hashes

Canonical text601b112488fe40fb70b06493aca8a4e9716c46bbb60c23d65d8cce41e3481729
Markdowna853e0b107896e5b657151f3bd66b2f54e0af4f0cf82c7f594d56dc3894a887e
PDF
Publication paged9a0228a886089fb97916ff2dce9c262e7d6e7440bb357bcbe6b3c453d52d5f3
Manifest44323a252a68f9b7b599a5102cdc7dd0585d2267e261778091d7705b0d43b31a

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
SignaturetYvLBgSiLl71oN+BF63HBVe1J255YXUXBrchQ2lDW/ULFFU2LT2BNgL7uOyXsWGagOle8sOkFrMQjsDmlhIgDw==
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

2026-09-17T11:30:12.910857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034001
observed d9a0228a886089fb97916ff2dce9c262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.889797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034001/manifest.json
observed 44323a252a68f9b7b599a5102cdc7dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.869499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034001/publication.md
observed a853e0b107896e5b657151f3bd66b2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.841518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034001/publication.txt
observed 601b112488fe40fb70b06493aca8a4e9...
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.