OpenTechnical

OT-2026-000100414

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100414) never changes.

Identity and time

Publication numberOT-2026-000100414 · never reused
Internal UUID01a0aea3-66ef-71d5-9dc3-3c7552aae9cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100414
StatusPUBLIC

Content hashes

Canonical text786d68bd35ca680f05c8036743027d175b2ce0a41cca9defb6b9f2fdd9f135ad
Markdown1982552420ade7890ffcb6060b0ada8768cf4c4796b1b5401207a8648e81105f
PDF
Publication page375f4a3a4b80468a6646471944d18a258b91cf5ae8f9c197d0dc6a1025abc358
Manifest90f8d47b7d1611d7041790a8ebcd496c3966a806725eebf9a3537e1942a8995d

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
SignatureWFvRSLUUt1FiclVuzZFwIKy5v1ZYg8UT9BoERrRKRWMgXLvi8hRaYnG/BHrjgTVIQgPzCHSEybb6DfdvqpcNAA==
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

2026-09-17T09:27:09.296054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100414
observed 375f4a3a4b80468a6646471944d18a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.279478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100414/manifest.json
observed 90f8d47b7d1611d7041790a8ebcd496c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.261609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100414/publication.md
observed 1982552420ade7890ffcb6060b0ada87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.242291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100414/publication.txt
observed 786d68bd35ca680f05c8036743027d17...
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.