OpenTechnical

OT-2026-000018154

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000018154) never changes.

Identity and time

Publication numberOT-2026-000018154 · never reused
Internal UUID01a0ae6e-b488-7cc7-9a88-5cb37a989b97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018154
StatusPUBLIC

Content hashes

Canonical text9b054a5f63518e5fb302104724073c944e655669a9faaf3f85bf3f8ebfcd12a4
Markdown63dba86cc534b9be4cf38f02163a1cb82371d781764e69bd7d6a496280ca225a
PDF
Publication pagee165be6bdec4b3079cf0803029f333251ebcb8e6f6b226ebb07e009c8da9588e
Manifestce1230f80a17a18905079e5076aedfb53cd25cf41d38a7534cc5e27a5a26acae

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
SignatureP3dFaIf+O3kQSl+0JEcwz/5R4Ojz728mvO5IvKpxAdnioH9SJM8KNicTra1i202OzgRIK206CDfrJfs8GK++AA==
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

2026-09-17T11:59:54.328590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018154
observed e165be6bdec4b3079cf0803029f33325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.310333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018154/manifest.json
observed ce1230f80a17a18905079e5076aedfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.290502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018154/publication.md
observed 63dba86cc534b9be4cf38f02163a1cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.272035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018154/publication.txt
observed 9b054a5f63518e5fb302104724073c94...
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.