OpenTechnical

OT-2026-000012943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000012943) never changes.

Identity and time

Publication numberOT-2026-000012943 · never reused
Internal UUID01a0ae6d-5564-7def-935e-9cd32204fbff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012943
StatusPUBLIC

Content hashes

Canonical text80a1a9f9d4f008a593614c326331e22d513b81428bea21e1787a439f7c4d0e6e
Markdown37c6344b0da20bcf97064a26fae29fc5de0ba3295c86fe06da79c691805ed794
PDF
Publication page8d07a70294fb54ca1efd77ae4e6d06f0703db0d0f91be3cad73ad0182984f500
Manifest2bbb6bb46e064e8361870dfa9af71178b2db8e7cb258ae3bbe5ac598ac712115

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
SignaturexfLTOkso85cMtsLbAuNPZmdhCmNOcMu3RylxZC8sVLx5RLg+aQxIlxaR8iDge02q6CRdeC8/4I3V0Cg78+53DQ==
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

2026-09-17T12:10:44.833970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012943
observed 8d07a70294fb54ca1efd77ae4e6d06f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:44.816230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012943/manifest.json
observed 2bbb6bb46e064e8361870dfa9af71178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:44.795671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012943/publication.md
observed 37c6344b0da20bcf97064a26fae29fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:44.777480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012943/publication.txt
observed 80a1a9f9d4f008a593614c326331e22d...
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.