OpenTechnical

OT-2026-000026204

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026204) never changes.

Identity and time

Publication numberOT-2026-000026204 · never reused
Internal UUID01a0ae71-a841-7830-b99a-d8673ac0a331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026204
StatusPUBLIC

Content hashes

Canonical text1a8bad86014204d93e9c056333311f8b1841060ed5f55b850b2fc7fa69e3d92b
Markdown11ce79bffc20e7d1a475ec0cd3bed25493363127ec36c06f12f205485076ccdf
PDF
Publication page6aa4b7aded90640ef91ef8b4c421a795762a3dbb33605385964f1d525a786709
Manifestf40aabe6c1c079fb7011d3e7331c08e6288f1a180eef60e0f3dae13b633f811c

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
SignatureWGjy53m0qBx9wNP61vd6+RcIHT0/BvT50Iy5AKxJzXlU/t6W+l3UkTE+tp06jRRwchBjCGKYKjlP5dseSsNXBQ==
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

2026-09-17T11:46:42.975102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026204
observed 6aa4b7aded90640ef91ef8b4c421a795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.958223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026204/manifest.json
observed f40aabe6c1c079fb7011d3e7331c08e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.941154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026204/publication.md
observed 11ce79bffc20e7d1a475ec0cd3bed254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.920346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026204/publication.txt
observed 1a8bad86014204d93e9c056333311f8b...
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.