OpenTechnical

OT-2026-000030923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000030923) never changes.

Identity and time

Publication numberOT-2026-000030923 · never reused
Internal UUID01a0ae74-3fb6-7725-8d3d-4bcf0b28a0e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030923
StatusPUBLIC

Content hashes

Canonical text0e2e104d1b09802673e282efb38043d641be0a6ffa30157875a397fd8f9cdc49
Markdown5b1c160369a4ca87b94b41f16bf6fc40924d93ac7a8a70e978537193bb038ed0
PDF
Publication pagea07cc5391277fc86cf89141916022ffec780a99cde287d18a5affbd46c63d214
Manifestc272bbb3b58af0ffec93b96c5fdf03ba2f4a914477f6e64260c49e765562d79b

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
Signaturet4nirvdsN1ms9jiL5ay6ZLW2dY5U8me5xMuZkTgUjvYU3jcLvJehLu3bNsnOijmEb/DMv75ZQ/XjXOgalAqYCg==
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

2026-09-17T11:36:55.012881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030923
observed a07cc5391277fc86cf89141916022ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.994773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030923/manifest.json
observed c272bbb3b58af0ffec93b96c5fdf03ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.975948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030923/publication.md
observed 5b1c160369a4ca87b94b41f16bf6fc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.956964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030923/publication.txt
observed 0e2e104d1b09802673e282efb38043d6...
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.