OpenTechnical

OT-2026-000032833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000032833) never changes.

Identity and time

Publication numberOT-2026-000032833 · never reused
Internal UUID01a0ae75-4842-752a-8736-88cd74d6988e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032833
StatusPUBLIC

Content hashes

Canonical text98b33c940e766df2eb7981b832b678d3368b0997a0e552bf2782655e50ac0547
Markdown9187495296dbb252eb1c11e3d83360c36b51a4d6edfc80fb8a61b4d4099bdda0
PDF
Publication page660d1be6f9337985400f8cab87510d019196ec662498179b2d9f625b9f9533c7
Manifesta31fdc835e296c0cfe5139952e41f83feeb944accf80fc8da8b3e662c2d4e095

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
Signature6exReUw0unbMWk08r86DurieiVMGBTJQU+xi5sbRF9zKmSkaduGKKq9wY6fhX/5/kSgwu/98GGr9jluXhAK+AA==
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

2026-09-17T11:32:17.444871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032833
observed 660d1be6f9337985400f8cab87510d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.428917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032833/manifest.json
observed a31fdc835e296c0cfe5139952e41f83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.411335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032833/publication.md
observed 9187495296dbb252eb1c11e3d83360c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.393707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032833/publication.txt
observed 98b33c940e766df2eb7981b832b678d3...
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.