OpenTechnical

OT-2026-000103592

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000103592) never changes.

Identity and time

Publication numberOT-2026-000103592 · never reused
Internal UUID01a0aea4-e461-7269-8c7b-2899684f7b2a · 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-2026-000103592
StatusPUBLIC

Content hashes

Canonical textac862b3d98d70aff20988c40289160a507cdd91565b6be228f2b700694a5c3ed
Markdown9b817131e9c810bfa5c8e6d89154b69ea38e9953581fd3187e64e460dcb6a512
PDF
Publication page8b7f1362f026ef51d258e03dede708ba54647f3308d6fa7de590f787c6afede7
Manifestdbc31b5e4faa706058bcf50450643ce2d282b227ba24b808cf735de143bf4835

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
SignaturenMttYe7Nt3aXSz4/nyEep/iw3LonZ0l80ZQR81oEOQIOhLdg3g843D3yWmZOIi+60zyfDUSMzXvwzxYOyPBTCg==
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

2026-09-17T09:22:22.755694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103592
observed 8b7f1362f026ef51d258e03dede708ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.737511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103592/manifest.json
observed dbc31b5e4faa706058bcf50450643ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.720119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103592/publication.md
observed 9b817131e9c810bfa5c8e6d89154b69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.704199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103592/publication.txt
observed ac862b3d98d70aff20988c40289160a5...
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.