OpenTechnical

OT-2026-000012016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000012016) never changes.

Identity and time

Publication numberOT-2026-000012016 · never reused
Internal UUID01a0ae6d-1943-797c-93d6-f653f8a87e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012016
StatusPUBLIC

Content hashes

Canonical text07808c69921198bdd5ea6e4ef348325d8b6e814d21095c3aecb7294ac4939c42
Markdowne0e39218f8be593b369896c37b3603575eb7020096e9f5b7942f1a42fb14fdd9
PDF
Publication page9de1ab7e10c92fbf950569a8dca74c551c149a44cc2c5ecb6be7615ae73b3025
Manifest290a80c65c4e6db54daeca44176ecb81c74bd428400f736fd54c96a70e9ccfac

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
SignatureSc6Mhh0Y9pquZ0eigSX9FPrs4lqNYRCY6QEjU/Kw+49xrznmH6JyyK26dAZe6CcM8eumIkBhiGcCFHTuA32IAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:53.098624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012016
observed 9de1ab7e10c92fbf950569a8dca74c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.081498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012016/manifest.json
observed 290a80c65c4e6db54daeca44176ecb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.062691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012016/publication.md
observed e0e39218f8be593b369896c37b360357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.046007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012016/publication.txt
observed 07808c69921198bdd5ea6e4ef348325d...
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.