OpenTechnical

OT-2026-000033353

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000033353) never changes.

Identity and time

Publication numberOT-2026-000033353 · never reused
Internal UUID01a0ae75-8980-7546-88f6-94ccd5be4041 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033353
StatusPUBLIC

Content hashes

Canonical text199e3bf9afb6c8485187c03d43258374c4f744de66722d696bb5fdc9103e6ddd
Markdowne59ef5bdb106764af540b72782911ed487d5539cd2e5b394b024e33d7b0fe089
PDF
Publication page51ea1e643ab20f9389b9c67b652b2c99bb18a8846cc48a5cff404297879b1a06
Manifest28e33bf0b953d07be057f75e6bb1381a62cd637850ea4b51b290ce7e9f9733ba

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
Signature164G3BShszA67AYimLnwGA9WYtfXVTaPHohlWUT+d+/J8ASJgfoJxmDyWD7+ByhivKwJRZ8y1KGBu3IcqNEtAQ==
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

2026-09-17T11:32:06.977984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033353
observed 51ea1e643ab20f9389b9c67b652b2c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.958666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033353/manifest.json
observed 28e33bf0b953d07be057f75e6bb1381a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.935625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033353/publication.md
observed e59ef5bdb106764af540b72782911ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.914308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033353/publication.txt
observed 199e3bf9afb6c8485187c03d43258374...
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.