OpenTechnical

OT-2026-000098940

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000098940) never changes.

Identity and time

Publication numberOT-2026-000098940 · never reused
Internal UUID01a0aea2-8286-71d0-a39f-ba5105a7ee39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098940
StatusPUBLIC

Content hashes

Canonical text7b34586ceb3659994a9e819f260cfefbf7d469ace4a11a15bf108a8748978c92
Markdownae4b4ee42be04dccd1fdbf33dad26fd2254caf842498e738d51cb164ede20213
PDF
Publication pageec0783834fec21c31581f9c38cd4e6f5f023d3e0ee8a9420fd79f1426ef2831c
Manifest081826c3a5a3cbe2a53d525f5b6d3c6bf9eafa7b9b6482bac37311fd934ba0e5

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
SignaturehqYKQT0ltu0vASLA8WI7FkjVWMurKNKTejAUM79kats8dOa1aYZNe5I7ND2bZ8TW5kfV/lC/D/IPrrsaxvyuAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:00.458412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098940
observed ec0783834fec21c31581f9c38cd4e6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.440874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098940/manifest.json
observed 081826c3a5a3cbe2a53d525f5b6d3c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.424537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098940/publication.md
observed ae4b4ee42be04dccd1fdbf33dad26fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.408996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098940/publication.txt
observed 7b34586ceb3659994a9e819f260cfefb...
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.