OpenTechnical

OT-2026-000033205

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000033205) never changes.

Identity and time

Publication numberOT-2026-000033205 · never reused
Internal UUID01a0ae75-4844-760d-a0b5-cd3174beca80 · 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-2026-000033205
StatusPUBLIC

Content hashes

Canonical text580d538a121b7973749af7751d424bd338a6cda6fb83e014d45256178712e230
Markdowncf3ae5f8428d658d0d3d2ea33ad8e851c3eee48946e47821dcfe1a4d926011d1
PDF
Publication pagee13db884627e6ca693209e96567cacbcab2248c10eaf71769ff7f6356d4cf2b3
Manifeste78429469851919d2e1c6a66df4491ebe9cf4b29ffe99101b612e0c01764d429

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
Signature3J7L0Ws2vKt5IVaDsOikb0XtPSDu1e8W3kIsHOSp6c9wh9euToFBJ8ojKW0EgWPo9cQ08RK2CGuaHSOejyrDBg==
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

2026-09-17T11:32:54.296486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033205
observed e13db884627e6ca693209e96567cacbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.277722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033205/manifest.json
observed e78429469851919d2e1c6a66df4491eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.259668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033205/publication.md
observed cf3ae5f8428d658d0d3d2ea33ad8e851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.241604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033205/publication.txt
observed 580d538a121b7973749af7751d424bd3...
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.