OpenTechnical

OT-2026-000095087

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095087) never changes.

Identity and time

Publication numberOT-2026-000095087 · never reused
Internal UUID01a0ae9f-2df1-7915-8b4b-3cb90dd24fa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095087
StatusPUBLIC

Content hashes

Canonical texted42b634bf9121e70b7973fe9c16a4475fbf72d9b65e748cc59592d1c37c62e5
Markdown5dd3db1e95c5e1ca6d84cad3d33a342a2a52394e03ae45b013ec8886c91701f8
PDF
Publication page5ce8a69a484b06830ffda535e15d2267c804923eede57763a555311869233672
Manifest5030e7d90ceefe96b6c0ec72bd9f472f3e71c9f7889888bb437e8ad0de5f2d73

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
SignatureCVXDjeouUALLPZmfqd9T7fTFRCruPl+/auickjIHK5DBPu5s91wN5ieubV6XvbKcB2E2MYrAJSL8NiD8wcf9Bw==
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

2026-09-17T09:37:39.674317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095087
observed 5ce8a69a484b06830ffda535e15d2267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.658077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095087/manifest.json
observed 5030e7d90ceefe96b6c0ec72bd9f472f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.641052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095087/publication.md
observed 5dd3db1e95c5e1ca6d84cad3d33a342a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.622127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095087/publication.txt
observed ed42b634bf9121e70b7973fe9c16a447...
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.