OpenTechnical

OT-2026-000090725

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000090725) never changes.

Identity and time

Publication numberOT-2026-000090725 · never reused
Internal UUID01a0ae9c-7f31-7dd0-aea8-2c4f48768bed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090725
StatusPUBLIC

Content hashes

Canonical text416632fea406f8b22fe8c56599f71666769694d52eb79b27d04c344ec47c7082
Markdown15697fbe6eec6e00b010e035edf53378fcbb8aa68da3193ac7b73f7084c81582
PDF
Publication page723f5ccd56c22fe7e2c59a54f47d18498c3e8c9ac32776e573a7ad0dd9a21491
Manifestd187894ea6b84f3f35d69e3153d51e791199c3b32a64321430746dca279a9e56

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
SignatureCyKuta8LPXVX6CgUkeTLLXwgGzzuGjHLB0gK2i06hMlKKpp+Qh2Rd3c7enrpN1mo985nx4yeusqk8kPx7ZjWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:22.830165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090725
observed 723f5ccd56c22fe7e2c59a54f47d1849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:22.807523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090725/manifest.json
observed d187894ea6b84f3f35d69e3153d51e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:22.789232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090725/publication.md
observed 15697fbe6eec6e00b010e035edf53378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:22.770438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090725/publication.txt
observed 416632fea406f8b22fe8c56599f71666...
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.