OpenTechnical

OT-2026-000029951

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000029951) never changes.

Identity and time

Publication numberOT-2026-000029951 · never reused
Internal UUID01a0ae73-ac48-75fc-9c21-5d940b530541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029951
StatusPUBLIC

Content hashes

Canonical textdc4d8ecc2f4a20333feab4f70f9b3c7fc8fe3f4a2974d8191d1eac2ffc84c52a
Markdown1b84957f69202289e4276a0e97f1b9f751894c04c9f5892750b02ff4bd723f36
PDF
Publication pagede693dc0bbf0ef77d584b28b07aa3cebc51e6836a9b34a75794bda8c28609c7e
Manifest3e0f6ff6b0c8dcae2670081d343f9c15eda006d9b8902438ee65ff675961b01d

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
SignatureyskGf0NLpXMbYfKA3wHZsFEG7Z+T71Rc1jo416QEdd0GjSFccW7yttH1y6w+DfdlHByB9pwPELL6C0qu6BICAQ==
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

2026-09-17T11:38:39.898385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029951
observed de693dc0bbf0ef77d584b28b07aa3ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.883279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029951/manifest.json
observed 3e0f6ff6b0c8dcae2670081d343f9c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.867996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029951/publication.md
observed 1b84957f69202289e4276a0e97f1b9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.851474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029951/publication.txt
observed dc4d8ecc2f4a20333feab4f70f9b3c7f...
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.