OpenTechnical

OT-2026-000041708

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off after set-down

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-2026-000041708) never changes.

Identity and time

Publication numberOT-2026-000041708 · never reused
Internal UUID01a0ae79-e8a1-7512-9a02-195e1bee9dbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041708
StatusPUBLIC

Content hashes

Canonical textc1e407b37d1bd09d0df22344d91f5457085f83884fb20155a7410e86dfcbb0ad
Markdownc300ed585cc74aeb32c4d6f6cc55631361bd5d3d7e23b65864a84a13d6d43a34
PDF
Publication page4d47019193006c5b0b689a1c0dd7cd527421405c36799805a0c8f4f01e75cf24
Manifesteba1da129c2b05dbc811d9a7bbbe5ed24705f98071e900ff2e543de1faa5c975

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
SignatureY/KG5D/POFng9eOVhbBBth62DpmH3icAh04sZ/YsRit+7MEvJbrMTf1oKNANJ5CJJNoUJVTXiBipHBShw0e4AA==
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

2026-09-17T11:16:31.326937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041708
observed 4d47019193006c5b0b689a1c0dd7cd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:31.308856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041708/manifest.json
observed eba1da129c2b05dbc811d9a7bbbe5ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:31.291792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041708/publication.md
observed c300ed585cc74aeb32c4d6f6cc556313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:31.273612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041708/publication.txt
observed c1e407b37d1bd09d0df22344d91f5457...
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.