OpenTechnical

OT-2026-000103603

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000103603) never changes.

Identity and time

Publication numberOT-2026-000103603 · never reused
Internal UUID01a0aea4-e461-7509-a462-c1dee04e9682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103603
StatusPUBLIC

Content hashes

Canonical text0e1998b8e82435b9f585e1948b6bdad13157adcdaf4baf242d6e7e52409a4856
Markdown07540bf2d472c6fc27e5e82cc5bd5157309cbee3c1fc6f8f127875a7c0a10d12
PDF
Publication page320936c671076729224b3b7147db7c00b8f56472cca919eb304958163cf33d7f
Manifest39f286268c1607cca0d2188a77c2e98030b70e45e35315f09cfa41f1885681e6

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
Signatureze/8cjn1siODZCfLl3Z57urYzcU6dNtHAcc1dQ/Uyl6qUfi6WHsQEVS8zmY6jNPVgL+BOnzKL73L8iHANLaFCQ==
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

2026-09-17T09:22:23.577214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103603
observed 320936c671076729224b3b7147db7c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.561502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103603/manifest.json
observed 39f286268c1607cca0d2188a77c2e980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.546466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103603/publication.md
observed 07540bf2d472c6fc27e5e82cc5bd5157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.529053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103603/publication.txt
observed 0e1998b8e82435b9f585e1948b6bdad1...
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.