OpenTechnical

OT-2026-000095335

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000095335) never changes.

Identity and time

Publication numberOT-2026-000095335 · never reused
Internal UUID01a0ae9f-8f71-729d-8c91-c8237b5b2827 · 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-2026-000095335
StatusPUBLIC

Content hashes

Canonical text48952151080796b202c5517b863c2fb620359062221cfa8964043eba06d8d7bc
Markdown9cc8ecbac7ce6a4234ddd4d92d9cd93295ceab8f1f3c07e1874b73a06c9768a0
PDF
Publication page5be2be309784aa65ef85b3999e3e5b1bfeb9e70c0e962fcb424b121cbe38ad52
Manifest575792e30fb6c62625717ae58c6d4bbdbfd40f0efe56b8bd69df9b02da8878c4

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
SignatureuaojXIvvN1FsU2ksXuvGuXn/qlA3AOscJWQE8Mjn8jKueDfOG0EH2MTymKIXSL9Q0p8IqcTboCqr5dZwOcJFBQ==
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

2026-09-17T09:36:41.488899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095335
observed 5be2be309784aa65ef85b3999e3e5b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.470917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095335/manifest.json
observed 575792e30fb6c62625717ae58c6d4bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.449856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095335/publication.md
observed 9cc8ecbac7ce6a4234ddd4d92d9cd932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.430293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095335/publication.txt
observed 48952151080796b202c5517b863c2fb6...
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.