OpenTechnical

OT-2026-000019766

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000019766) never changes.

Identity and time

Publication numberOT-2026-000019766 · never reused
Internal UUID01a0ae6f-1fb4-7130-a6af-e41b9c1f4df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019766
StatusPUBLIC

Content hashes

Canonical text5a3199be4e59902d85ee5c77a2ac4a20401b799f3d96088bab6d117306af4410
Markdowna3f0a7ab9838a03d6e378baca34e6e0a33955aa78949c1c3c8886e9d873da27c
PDF
Publication page14eac15d1118cd62ce5e1395ea2cb6efcac5a5df6713461c7b732893839aa4c3
Manifestcc3169e9643b052d9f74423924de1e5988b3bc18ab3195b72c55a9eb9eec37b1

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
SignatureKCrU4TScaaqtxrOi66HOEX5huvaL+omaxkQELRfSp5RybKAD/vnpDn2OuIJzJDu1u9Cnf10oYP5Ou+G3oDOlCg==
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

2026-09-17T11:57:56.099519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019766
observed 14eac15d1118cd62ce5e1395ea2cb6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.079190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019766/manifest.json
observed cc3169e9643b052d9f74423924de1e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.051956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019766/publication.md
observed a3f0a7ab9838a03d6e378baca34e6e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:52.166725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019766/publication.txt
observed 5a3199be4e59902d85ee5c77a2ac4a20...
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.