OpenTechnical

OT-2026-000055474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000055474) never changes.

Identity and time

Publication numberOT-2026-000055474 · never reused
Internal UUID01a0ae86-a102-7bcb-8635-084458c4a543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055474
StatusPUBLIC

Content hashes

Canonical text6c66a9050d2ca24356748989394c162d7940bd07f3415ab9dcf10da3d0eed2ca
Markdown2ede01d3bd62e4ba24158fc43888014e2ace8e6c155db3ba3b5da697415c6684
PDF
Publication pageccc312ae58b16008057806b9cb80a5905df6ba9227841abad5024fdff8ffef22
Manifest0cd13964907cf988142697e05bc138eacdeac7118376dd5eee98d1959ce07afd

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
Signature32EaI65EiqAElPYQ3BHHcC59TYi3RHhliKcR7AP5k35F4C+YmZrHyU+lqzsfvFD8UVyTA/2kyqn0mLpeoSi9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:08.237391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055474
observed ccc312ae58b16008057806b9cb80a590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.220632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055474/manifest.json
observed 0cd13964907cf988142697e05bc138ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.203697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055474/publication.md
observed 2ede01d3bd62e4ba24158fc43888014e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.183791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055474/publication.txt
observed 6c66a9050d2ca24356748989394c162d...
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.