OpenTechnical

OT-2026-000032144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000032144) never changes.

Identity and time

Publication numberOT-2026-000032144 · never reused
Internal UUID01a0ae74-f7a5-7bfc-a118-0d5a11a4b087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032144
StatusPUBLIC

Content hashes

Canonical text899a333682b41dd7ec665dd4c765781e02e26184bd0d5613ea79b67a4959ab4a
Markdown88bad4564bee39b16243bcded96e1acbd5b50326d34ffacb6329705ae9358bae
PDF
Publication page2756b5562d058330bb211eab47774d6b3370cda575314169baad885bd01dcc63
Manifest135221c9beec510156b3682a237aaafe902732c88da9e228c1d9d5ee273b4b4c

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
Signaturev3xIAj3FuYr+V/AL8+8VfnYQncPVIrnhpDP7ZJtIOGxJoe9kW/4Oc2p5ZfGb7UCZrqFKAlJtOHTnw/7MN3KuBg==
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

2026-09-17T11:34:27.942173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032144
observed 2756b5562d058330bb211eab47774d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.923292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032144/manifest.json
observed 135221c9beec510156b3682a237aaafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.906185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032144/publication.md
observed 88bad4564bee39b16243bcded96e1acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.887732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032144/publication.txt
observed 899a333682b41dd7ec665dd4c765781e...
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.