OpenTechnical

OT-2026-000030432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000030432) never changes.

Identity and time

Publication numberOT-2026-000030432 · never reused
Internal UUID01a0ae73-e503-7ab5-9235-4885af31fb78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030432
StatusPUBLIC

Content hashes

Canonical textf3f956dc23217d924289be61befa36aed094369d2bd2b04ebe308eeba83f1722
Markdown76299e2aa2d3e744fe46e107cb160d891deb17d747e92378e302c385ec3452dd
PDF
Publication page8dc4c5a371d3de830a7e696d405195a7a353f08ee4b15008c4ebdc360b635830
Manifesteb4c05c065f703e060161aaaba3420b428b2ab826578ae9ead2bbf52ce1f5987

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
SignaturejRyiozxsvXDiS1lJp1PRX6o2BfRDLonMs5aL8l/zVk/hWKehw1wL5a92/pYtGUi5eJ9QK+LRx0kvq1AXwxQKAg==
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

2026-09-17T11:38:10.180056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030432
observed 8dc4c5a371d3de830a7e696d405195a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.163220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030432/manifest.json
observed eb4c05c065f703e060161aaaba3420b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.145818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030432/publication.md
observed 76299e2aa2d3e744fe46e107cb160d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.128290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030432/publication.txt
observed f3f956dc23217d924289be61befa36ae...
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.