OpenTechnical

OT-2026-000067035

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067035) never changes.

Identity and time

Publication numberOT-2026-000067035 · never reused
Internal UUID01a0ae8f-14fe-7e10-9ea6-b57746bdfc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067035
StatusPUBLIC

Content hashes

Canonical text1614eeff0960bd43bc5a18a6374583ea94015ea02b46b0124c0ec8d8b58b7062
Markdown101b6031cd8cbaaa07d644486dbc0b32a91296ed896ae6b1d55361f60a7bec32
PDF
Publication paged801a1b2ef622bd0a04fd5a00ce9279489477a67efe31af7a3605218990c48fe
Manifest5f9a4b9cdda83f5652622abfd47b91440b8a0865ed135978a0055bd425e280a3

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
SignatureGLx63/vAnvGtrRb9chuI72mXcBoesQ0BA+bD8leU3m7TyDMNyJYW4fA+Xf0K06mKz3av8gWLrpvZuUyL0RfHAA==
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

2026-09-17T10:32:16.395291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067035
observed d801a1b2ef622bd0a04fd5a00ce92794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:16.378523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067035/manifest.json
observed 5f9a4b9cdda83f5652622abfd47b9144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:16.360191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067035/publication.md
observed 101b6031cd8cbaaa07d644486dbc0b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:16.341037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067035/publication.txt
observed 1614eeff0960bd43bc5a18a6374583ea...
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.