OpenTechnical

OT-2026-000103671

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000103671) never changes.

Identity and time

Publication numberOT-2026-000103671 · never reused
Internal UUID01a0aea4-e462-77fc-91ad-24038f23a84b · 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-2026-000103671
StatusPUBLIC

Content hashes

Canonical text32f742211eccaa9bac7c9748ec808227706f126f08c60333632ea96295da2baa
Markdowncb189b518c17d6bc363818eab4b1456a9b97d13f7f5e0763a1a98bafbb990622
PDF
Publication page21dcfe14c5fd966eefa2a7e493252db36b9ce4d1b52bbe7325438d409c203c5c
Manifestc0c17006d97abe64de54cf1500248f0dcb0b15a56ecb4627f1a32826a89f6188

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
SignaturengoWUYmjUQy0YjLHM35yqGPFfQTUcj97Tre5lWyvz9bX2yWtD8fB40IsBsitlcK87PWjzAk+sJKoI6zoACbjAw==
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

2026-09-17T09:22:28.371076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103671
observed 21dcfe14c5fd966eefa2a7e493252db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.354555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103671/manifest.json
observed c0c17006d97abe64de54cf1500248f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.337962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103671/publication.md
observed cb189b518c17d6bc363818eab4b1456a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.321739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103671/publication.txt
observed 32f742211eccaa9bac7c9748ec808227...
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.