OpenTechnical

OT-2026-000099692

Publication integrity record

Two cup vacuum gripper, two 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-2026-000099692) never changes.

Identity and time

Publication numberOT-2026-000099692 · never reused
Internal UUID01a0aea2-c976-7c81-9bac-b14216fdfe16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099692
StatusPUBLIC

Content hashes

Canonical text09fcf71919e7b860aa28612879511f07347e2ec3847296f7ea252b5bc2a4a75f
Markdownea418cb722a4afe5d01e2a44dbbc01a0d094778134df1899bd1ac86df95d6006
PDF
Publication pagec6e8cbca10a315dcd55eea6f737cfcb8e137ccdba63dcad5c5ce815f17a9495b
Manifesta3d73a5b0a018316dc087e04f999c9edf8523a4d6c44a29be82b12cc5408ffdb

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
SignatureIqkWpia/rbkT5mMF38W/jptyJvPTmRBlkeAjqwow9QbjErncPqmx8+KN34UOIL7epbhHQuwiKtSfjlLY2TgGAw==
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

2026-09-17T09:29:42.179777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099692
observed c6e8cbca10a315dcd55eea6f737cfcb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.161817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099692/manifest.json
observed a3d73a5b0a018316dc087e04f999c9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.138412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099692/publication.md
observed ea418cb722a4afe5d01e2a44dbbc01a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.048971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099692/publication.txt
observed 09fcf71919e7b860aa28612879511f07...
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.