OpenTechnical

OT-2026-000022083

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000022083) never changes.

Identity and time

Publication numberOT-2026-000022083 · never reused
Internal UUID01a0ae6f-bb5c-7050-9621-e33f9f00b2a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022083
StatusPUBLIC

Content hashes

Canonical text37be89324733f566eaab8978ab791e591c6fa5bc9515e9fc04d0516771bc8359
Markdown2db7bce89f04431929e3b2213c846f62a93b8424168a1071507ab1e0eb033aaa
PDF
Publication page8e2acea8f2cc1ed40355fdacd4e3ad253c6a59ad2f3dcc3ee9819b284ba4d3fd
Manifest15a238615694e4529b99d2b70e1f6be09f33d63b54659f33279fce61a92bfb23

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
SignatureBcXRd1LT/A4xpDopRhF/cZgYIo47zZxeb3oPInSONmTsuNp7rvKfySBHvFKPypWIjiw2MgAl2HLn+wNOSPfEDQ==
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

2026-09-17T11:54:46.749003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022083
observed 8e2acea8f2cc1ed40355fdacd4e3ad25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.732672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022083/manifest.json
observed 15a238615694e4529b99d2b70e1f6be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.716175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022083/publication.md
observed 2db7bce89f04431929e3b2213c846f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.696912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022083/publication.txt
observed 37be89324733f566eaab8978ab791e59...
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.