OpenTechnical

OT-2026-000102859

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000102859) never changes.

Identity and time

Publication numberOT-2026-000102859 · never reused
Internal UUID01a0aea4-be3c-7305-944a-fbcb8cd37abd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102859
StatusPUBLIC

Content hashes

Canonical textbded2b22ea5e7fd30627cc0a7c46de940d65cd8dd4ab5ed8da574fed64e14b49
Markdown5be4ef68d57464e606a3e6adf594f2c7cea8ba037332ffc99a169612d47144de
PDF
Publication page5e90ad8bb1eb01f771cedf392b41f967f83e02011257b0b7c8a6b78eea61656f
Manifest92021ce9c2524d094057bca44a7e37d2ea776fd8489b5914f09139703cdfd320

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
Signaturem62FVFp0/y9PFbQgRfIbVPCY6J3hSB5bHz82+3DmZZG9rpRWf6el1nwuVuYC+xLKfXuv3hjWxGqlOkL9kzPUCw==
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

2026-09-17T09:22:52.005989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102859
observed 5e90ad8bb1eb01f771cedf392b41f967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.991273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102859/manifest.json
observed 92021ce9c2524d094057bca44a7e37d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.974718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102859/publication.md
observed 5be4ef68d57464e606a3e6adf594f2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.958742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102859/publication.txt
observed bded2b22ea5e7fd30627cc0a7c46de94...
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.