OpenTechnical

OT-2026-000009243

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, vented 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-2026-000009243) never changes.

Identity and time

Publication numberOT-2026-000009243 · never reused
Internal UUID01a0ae6b-31b9-78e6-8437-07398c00da0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009243
StatusPUBLIC

Content hashes

Canonical text96fb1e9510693856baf0b1ddec50dc948b2e4f79ecd8634d75366f2c7421f860
Markdown4533077f25ea70192a934851f6c8cf257f3dc5a210bfd8f94a637be5953cdb14
PDF
Publication page353a23e92db9a20e0c77643efab67db39c69651c35aed429edbdf53a489e857c
Manifest0eed536c2bf42e77e727a7c20ee39ae6fd1193ae56297e10b95085bbca3c828c

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
SignaturemKF8H/8Vd8O74mvVC2jIxnkaA3CjxjNFpaqURA9xW39NDac/dJI71KeZG7Tb6QgqU009emEgloX04QvxT2z4DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:58.780821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009243
observed 353a23e92db9a20e0c77643efab67db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.763794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009243/manifest.json
observed 0eed536c2bf42e77e727a7c20ee39ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.745191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009243/publication.md
observed 4533077f25ea70192a934851f6c8cf25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.725367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009243/publication.txt
observed 96fb1e9510693856baf0b1ddec50dc94...
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.