OpenTechnical

OT-2026-000028218

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000028218) never changes.

Identity and time

Publication numberOT-2026-000028218 · never reused
Internal UUID01a0ae72-a521-7772-9a36-0f2e45ecd2a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028218
StatusPUBLIC

Content hashes

Canonical textab9d82de5d3b04a04f331e896b70d16d226d5e41eb0a9bafaa1d433e7bcf9fcc
Markdown40f78327d526602e54b9631068f656c4fc3bd840d2f1efa9300c4e4a6a5a2c43
PDF
Publication pagee5a3c8d05b66f0e99d7a09bbe93f5e1e9918b15ab135c2f5d9b73da1d30140ef
Manifesta4d69aefd3d46f36d543cbacc0832b955f30fa7a59ff8875c2198d5006a68db0

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
SignatureMZVs7NSlg//WCjha+0LGYV66kp5uOpwUsPSNlgC0AzALkUmKCzshZRJSRMkOe3k52BvWL0BLXorSFOySw3EoCw==
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

2026-09-17T11:42:34.919300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028218
observed e5a3c8d05b66f0e99d7a09bbe93f5e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.903013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028218/manifest.json
observed a4d69aefd3d46f36d543cbacc0832b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.886549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028218/publication.md
observed 40f78327d526602e54b9631068f656c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.870635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028218/publication.txt
observed ab9d82de5d3b04a04f331e896b70d16d...
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.