OpenTechnical

OT-2026-000095879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000095879) never changes.

Identity and time

Publication numberOT-2026-000095879 · never reused
Internal UUID01a0ae9f-fac7-750d-8d81-bf62354500c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095879
StatusPUBLIC

Content hashes

Canonical textb60912299df9799cf092176c11abe20466c7697c9ae617b8d349ac32257d5f53
Markdown0823af3f90438f4dd9c8104e2333e6e36b90522daad31f1e0f454757d7284de1
PDF
Publication page898d0c2d16c8502389861205a504c0073e3a7f917335dcfb30de1497edca4642
Manifest278ed8b1f2f163bac4a02607a257a798d4df15e998d59a8013135affafffb1bd

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
SignaturevjtgeCR2fm9gC9GymV5rLkc45XsJTWU+xLaLx6kjZjNqVKwGPl3SlnbYGjkiViKDweX+rYBkhnaTO5zOuUzHDg==
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

2026-09-17T09:35:58.131103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095879
observed 898d0c2d16c8502389861205a504c007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.113780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095879/manifest.json
observed 278ed8b1f2f163bac4a02607a257a798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.076196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095879/publication.md
observed 0823af3f90438f4dd9c8104e2333e6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.040559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095879/publication.txt
observed b60912299df9799cf092176c11abe204...
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.