OpenTechnical

OT-2026-000032174

Publication integrity record

Foam pad vacuum gripper, 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-2026-000032174) never changes.

Identity and time

Publication numberOT-2026-000032174 · never reused
Internal UUID01a0ae74-f7a6-7bfd-927f-c84f60e85f36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032174
StatusPUBLIC

Content hashes

Canonical text9354ad01dfef36fe8f92dea1949d74f521fed3ef40f41bad758320796f6ff16f
Markdown0782a26c5cbcf605b449f0c839211ced7e25c69053c0261e74094dc1018ff89f
PDF
Publication paged264d7bd7836380dada5991b37dc62542b6c62d8f7e194a9d61672968a935c1d
Manifest9772bd42ba608da5a50a1067b28c8267975ff8776fe6364ca653e37fba5eed16

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
SignaturejjMOU/Cl6sf/3vm2w2KO345l8dmf9OTgA3D4CBVRgRZ7qfvGheLObTZvpfDjMMjkL/UVAMyibsKo7q5/VUSkAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:30.531147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032174
observed d264d7bd7836380dada5991b37dc6254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.494517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032174/manifest.json
observed 9772bd42ba608da5a50a1067b28c8267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.466711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032174/publication.md
observed 0782a26c5cbcf605b449f0c839211ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.448523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032174/publication.txt
observed 9354ad01dfef36fe8f92dea1949d74f5...
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.