OpenTechnical

OT-2026-000041138

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000041138) never changes.

Identity and time

Publication numberOT-2026-000041138 · never reused
Internal UUID01a0ae79-b142-70a6-84e1-ee72541d2c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041138
StatusPUBLIC

Content hashes

Canonical text824bbbaf0c191b8ce3c2ac7459f753e75ad696f340bdfe3c684fee955d075c51
Markdownb73feb3e39b27267c73c647190a0678ea38e3f19755731f3138c98ea7edf6535
PDF
Publication page13eebac53d1bb77c534fb97f04298402f308cae6715ea9e592575910cdebdb62
Manifest3524f7f15fe0355d88baaf3b2a2b302beea4e2c33e7dbd11dd8c87308e35b697

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
SignatureaWGOo/7SNI9q7lb7puHXWliADPJGOgDkxE2MiI9Ns4eksxjju02XgJrzHs8tm/T1VOumN/p0eBvK1j20/PJRCg==
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

2026-09-17T11:17:04.651856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041138
observed 13eebac53d1bb77c534fb97f04298402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.633627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041138/manifest.json
observed 3524f7f15fe0355d88baaf3b2a2b302b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.612605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041138/publication.md
observed b73feb3e39b27267c73c647190a0678e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.593517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041138/publication.txt
observed 824bbbaf0c191b8ce3c2ac7459f753e7...
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.