OpenTechnical

OT-2026-000104138

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000104138) never changes.

Identity and time

Publication numberOT-2026-000104138 · never reused
Internal UUID01a0aea5-341f-784f-a822-a19aec451915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104138
StatusPUBLIC

Content hashes

Canonical text2dc97d68dda51cffa60d691da8ea345c5df11c5841a109c9d18ec39835cfeb85
Markdown19c86fb70dec6a3d15e9604f6da2b603204321f93fc7854a6738a2df4def62dd
PDF
Publication page87c6a557829690c57f2a346b0cf783b7a3afda946fad6b0f9cec6fd4c8e4d21b
Manifest95827a220f1a4ebb75781c3b30548be118718ae99516c1ac71a949e01c9c1b8e

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
SignaturerxAJxUlxLAikGMD0bkWHSsQ1RQhbFQ7fSxzfmij3tH0E45lDAUguIoAYTV+7hLqOerGbhvz5FWG32Pr1Lu0ODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:13.285544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104138
observed 87c6a557829690c57f2a346b0cf783b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.268018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104138/manifest.json
observed 95827a220f1a4ebb75781c3b30548be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.249806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104138/publication.md
observed 19c86fb70dec6a3d15e9604f6da2b603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.231052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104138/publication.txt
observed 2dc97d68dda51cffa60d691da8ea345c...
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.