OpenTechnical

OT-2026-000012130

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000012130) never changes.

Identity and time

Publication numberOT-2026-000012130 · never reused
Internal UUID01a0ae6d-39f4-7ce2-8821-b59df7b69c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012130
StatusPUBLIC

Content hashes

Canonical textebed63c5c9d70bc4a1ab03c0b802856f34d4fe80f5fab7e9ecb7115fdcb9d58b
Markdown11547216c7948b0da8261a788d5b9ec604de5eb5469f3753cb0ff4e06b7c3334
PDF
Publication page3104eb3453884b0630931e6f73b18a5d10f14a74ce778dfc19570953cbf22e0a
Manifestb71bc47f3c6684894c99e5d393d7bd2b709e9f745d484d5e20f0a28473b589c1

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
SignatureERBTvgPNo3dTFFj0EPlHy8bWLEZa5pJZ1OUl+MulMYOwgcqLJTZ/1hL6IKBlIZpDfmPPeONUwPnMogOMmO8HAw==
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

2026-09-17T12:11:00.976712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012130
observed 3104eb3453884b0630931e6f73b18a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.955538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012130/manifest.json
observed b71bc47f3c6684894c99e5d393d7bd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.934955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012130/publication.md
observed 11547216c7948b0da8261a788d5b9ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.916736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012130/publication.txt
observed ebed63c5c9d70bc4a1ab03c0b802856f...
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.