OpenTechnical

OT-2026-000033428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000033428) never changes.

Identity and time

Publication numberOT-2026-000033428 · never reused
Internal UUID01a0ae75-a38d-728b-9e8d-150798efadf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033428
StatusPUBLIC

Content hashes

Canonical text53e430d522683fe1feada60262e5e1d690cd1ad6fab0ab567f4ce65c526d5779
Markdown153b27c47512eeb15e4c220b1ef1cecd8672293a917c8e35b80c89b9edec805d
PDF
Publication pagec421c9b5999622b3c6baa53c1e90ec74ebe38512ca257666bfbbd81df794ced5
Manifest082780735047f3a90fe84fe0549171415c713ce9f801e9ac72ecf34c6ce31077

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
SignatureE9UoQVd/YbJ4xGjAR6U0VhsLDmaab0n3K4Pnd5QMfrdp0TCDxRhW6UrdQ3YwOMPhDFXSlZ+ml01ecslHr5DMBw==
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

2026-09-17T11:31:09.276872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033428
observed c421c9b5999622b3c6baa53c1e90ec74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:09.257653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033428/manifest.json
observed 082780735047f3a90fe84fe054917141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:09.237282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033428/publication.md
observed 153b27c47512eeb15e4c220b1ef1cecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:09.173479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033428/publication.txt
observed 53e430d522683fe1feada60262e5e1d6...
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.