OpenTechnical

OT-2026-000012117

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000012117) never changes.

Identity and time

Publication numberOT-2026-000012117 · never reused
Internal UUID01a0ae6d-39f4-7463-b888-1dd1ba53dbea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012117
StatusPUBLIC

Content hashes

Canonical textd1fa21ed354a1e4a50f583edc7d52f8e29458ff368ab484f3f8e6d61b4ae8bf1
Markdowna3df5993efc4d459ae87c53621588b35cbfb116ab9ba7593207308f546a523e0
PDF
Publication pageb52bf3256c14e582bda5dc20821e321bd76fc9669e0e57ec6435608463b7a446
Manifestd38264ef8f3aac73afcbf9e301a1ef91172ca572e9d70103b16a29aa4bb94856

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
SignatureyGfPjOCL+It6k3V+8CdB9BlEGz5Ze7yp1pLKzoGp0odczBTWNbcBp5iMK8DgKuq3WK7Et2zfPbg2CANBrxmvCA==
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

2026-09-17T12:10:59.913087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012117
observed b52bf3256c14e582bda5dc20821e321b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.893431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012117/manifest.json
observed d38264ef8f3aac73afcbf9e301a1ef91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.873780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012117/publication.md
observed a3df5993efc4d459ae87c53621588b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.854519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012117/publication.txt
observed d1fa21ed354a1e4a50f583edc7d52f8e...
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.