OpenTechnical

OT-2026-000103294

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000103294) never changes.

Identity and time

Publication numberOT-2026-000103294 · never reused
Internal UUID01a0aea4-be3f-7998-ab47-165a1f9af200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103294
StatusPUBLIC

Content hashes

Canonical textfdeaeb90bcd81a46a8d91c6d400690a6a47507aac176a5acde4e44c0a7015e5d
Markdown40f8df52c08851da0c89e5ea07f9cfd3faf668ba965698b90483abdddc6a8dfb
PDF
Publication page50986120359a3acfbc982210bbce14116890327f4b33caf2c012952a963733b6
Manifest4a478e9a943aadcec8ce7251cffed5c6b18e8aabea67bf57d1cef7e7af44bf8a

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
SignatureigZeIMhd3W0VWqEhdQHqCBB8/wxYyim/z3RfNbj+rbR2QtIXu2DWoi63sN54tcYANOyAg4eW9rWrHK2k8fEzCg==
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

2026-09-17T09:23:32.358850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103294
observed 50986120359a3acfbc982210bbce1411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.342545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103294/manifest.json
observed 4a478e9a943aadcec8ce7251cffed5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.326938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103294/publication.md
observed 40f8df52c08851da0c89e5ea07f9cfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.310401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103294/publication.txt
observed fdeaeb90bcd81a46a8d91c6d400690a6...
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.