OpenTechnical

OT-2026-000049361

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000049361) never changes.

Identity and time

Publication numberOT-2026-000049361 · never reused
Internal UUID01a0ae81-8f7b-70e8-924d-6789f6c6a089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049361
StatusPUBLIC

Content hashes

Canonical textf3fa2009ae8671a3f7a2dcd5d6fb4a82aa009986324dd515657a708ced966c34
Markdown41fe2a10642bd1342f1a4869982667068163ee76d01e62ccf7b5f21af64ae2df
PDF
Publication page236594670653de6c15dac98b1c00ead506c4622e3a50ca210aab074be86e5cf5
Manifest84a820441fa3accfecf48368ba46469af52a4a322dc73a39a4415ae761d99394

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
Signatureg7zVE5huQfhXjMTFGWo0CuWP9HZaRiBwb4LIBvwFcxzoH/pqP+ivnf6smDrqoywjU/F0CUHOL01LEOSsjshdDw==
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

2026-09-17T11:02:09.358408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049361
observed 236594670653de6c15dac98b1c00ead5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.340213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049361/manifest.json
observed 84a820441fa3accfecf48368ba46469a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.321567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049361/publication.md
observed 41fe2a10642bd1342f1a486998266706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.303592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049361/publication.txt
observed f3fa2009ae8671a3f7a2dcd5d6fb4a82...
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.