OpenTechnical

OT-2026-000095172

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two 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-2026-000095172) never changes.

Identity and time

Publication numberOT-2026-000095172 · never reused
Internal UUID01a0ae9f-8f6f-7f2d-8044-6c04628fa87d · 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-2026-000095172
StatusPUBLIC

Content hashes

Canonical textb7bb67a0f436102724062beb8537d49565828c7fcbbb2b08016d75b731801f21
Markdownb7c1c5b493bf6dff61e766efa5ba37d41d554c6ee9a6081343bc997b0a58500a
PDF
Publication page2eb34f1f8a29739a8f07ee94b75b5e3634ada8a4bc15622ee38a3a42fcc52438
Manifeste7ffdfd1fb2d3dae6076ed645acca8748ba4b31844d14ceee3019a602c1f52a3

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
SignaturelDNtf6x7Aj6uND7sUbffpTyVljjFMQQyBW7mrZ/HRSaDMUit9VV3mTK2kdYX0Of+AJp+EQGI14iWGurNt/hUAQ==
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

2026-09-17T09:36:28.731392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095172
observed 2eb34f1f8a29739a8f07ee94b75b5e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:28.709043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095172/manifest.json
observed e7ffdfd1fb2d3dae6076ed645acca874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:28.689503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095172/publication.md
observed b7c1c5b493bf6dff61e766efa5ba37d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:28.670858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095172/publication.txt
observed b7bb67a0f436102724062beb8537d495...
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.