OpenTechnical

OT-2026-000099931

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000099931) never changes.

Identity and time

Publication numberOT-2026-000099931 · never reused
Internal UUID01a0aea3-1473-7a5f-8c7c-dde733f6d422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099931
StatusPUBLIC

Content hashes

Canonical text408a903045da736aa59d0e473ad6a0782888c45916dbafb6886b6cfe0ff06f26
Markdown41c5dc6c20e1c52056a11dff41fa2333cd15c5f48170359ade89bd3f5b1ad98a
PDF
Publication page9962d6688a0612e14a2a5d62dd3a62f8a6533d177af5826f4d724339d39c06d4
Manifeste707d62cf77610d658e7b45d215c4c54e06a73796e9be46b25f02c3a0846386f

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
SignatureIDJ8dPasffIq+FjnSrX4h9tNcfxmnee0to3i2DnoNhgWpUc5uq5h+s5UIlw6+zGIY8FObm3LyDdrVWYirhWKDw==
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

2026-09-17T09:30:34.659852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931
observed 9962d6688a0612e14a2a5d62dd3a62f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.641341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931/manifest.json
observed e707d62cf77610d658e7b45d215c4c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.622337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931/publication.md
observed 41c5dc6c20e1c52056a11dff41fa2333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.602545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931/publication.txt
observed 408a903045da736aa59d0e473ad6a078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.219158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931
observed 9962d6688a0612e14a2a5d62dd3a62f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.200504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931/manifest.json
observed e707d62cf77610d658e7b45d215c4c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.183313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931/publication.md
observed 41c5dc6c20e1c52056a11dff41fa2333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.167254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099931/publication.txt
observed 408a903045da736aa59d0e473ad6a078...
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.