OpenTechnical

OT-2026-000091809

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091809) never changes.

Identity and time

Publication numberOT-2026-000091809 · never reused
Internal UUID01a0ae9d-43ba-79ad-bcf7-f25833bc6d4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091809
StatusPUBLIC

Content hashes

Canonical text66a1f2137e143e2b6f8e6c0704cb4d349aa9fe3bc8027eb46429f17108fd08bc
Markdownb8aa9677a0c1047e73605ebec1da20aa49b437ed48c1e6f02e27338c4d3a9588
PDF
Publication page689bdaa3defc9a6490afcc401daffc3dae297068b45189338616f57e57f3c693
Manifest43cb2434874fdeb9e2daba4818f225f61a290f7624545de697689d852c519893

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
Signaturej3kKPuKXw2xKzNG7dZCP9hx5DFPE6TPda8g4SmGBFI48FBM9LwBAXtinCWfVNUXYifddBizmI7IoXlW02v8KBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:42.747292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091809
observed 689bdaa3defc9a6490afcc401daffc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.728699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091809/manifest.json
observed 43cb2434874fdeb9e2daba4818f225f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.709873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091809/publication.md
observed b8aa9677a0c1047e73605ebec1da20aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.691884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091809/publication.txt
observed 66a1f2137e143e2b6f8e6c0704cb4d34...
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.