OpenTechnical

OT-2026-000045388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000045388) never changes.

Identity and time

Publication numberOT-2026-000045388 · never reused
Internal UUID01a0ae7c-f76c-718b-894f-f16903b4f2d6 · 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-2026-000045388
StatusPUBLIC

Content hashes

Canonical textf7432965faab72362c55ffa84218dde8223e9f6ea32a430ef6350528a5de2195
Markdown916fd864c38963da79b5a7a843c4ee80cc9d83398ff33f26d0f0630a4e0be6cc
PDF
Publication page1d56e9825fb450f1bf8fd43781f7df672ea61c38d94b2b2b1a2f005d692c1652
Manifesta9458c4b4bd19c450b6b1a69d5cd6511bbc005d2ed631f31afbe4acc10b5bec7

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
SignatureS8C6iyFM2gqQEnVrU4waZ3JvIh/vtre2aqIkoyNOOWJkxZma1hWVTWs82hp7SWOT34/wfAgsfZMLdtI265cVBg==
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

2026-09-17T11:10:40.195143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045388
observed 1d56e9825fb450f1bf8fd43781f7df67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.175167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045388/manifest.json
observed a9458c4b4bd19c450b6b1a69d5cd6511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.157854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045388/publication.md
observed 916fd864c38963da79b5a7a843c4ee80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.136977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045388/publication.txt
observed f7432965faab72362c55ffa84218dde8...
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.