OpenTechnical

OT-2026-000095531

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000095531) never changes.

Identity and time

Publication numberOT-2026-000095531 · never reused
Internal UUID01a0ae9f-8f74-7431-8a90-6e1fc690e27e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095531
StatusPUBLIC

Content hashes

Canonical text1f0bd894693099e501836c0e86aa508e1453f374220521c9c7354a5e17f11521
Markdown0640f839fb8895f2acd0d9bb2144d15dd4e03e0eefa6b72c0793ab39dcc7a3d7
PDF
Publication page2c5e362ee8c1b6636ac79906a7d0e37057b651201d816a49032a568d2c919629
Manifesteea2f7a29be2d2c2331bc92de277c0b91ff9bc3cda1a067f4a57dd5c7e36670c

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
Signature/Wvsfqwe01JbYA6kjx+L7O1V5qoUO1M8MdKem1bps22vhuEbwGk7i1Vr5KFvrqW27vxbx14nK1EnHswQV6FZCQ==
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

2026-09-17T09:36:56.522475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095531
observed 2c5e362ee8c1b6636ac79906a7d0e370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:56.506236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095531/manifest.json
observed eea2f7a29be2d2c2331bc92de277c0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:56.491046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095531/publication.md
observed 0640f839fb8895f2acd0d9bb2144d15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:56.475773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095531/publication.txt
observed 1f0bd894693099e501836c0e86aa508e...
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.