OpenTechnical

OT-2026-000100019

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100019) never changes.

Identity and time

Publication numberOT-2026-000100019 · never reused
Internal UUID01a0aea3-1474-7256-8728-994116988959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100019
StatusPUBLIC

Content hashes

Canonical text64bc50cd5ec914db2450f167edeca5d0768b0f0e793ca6aa8a9fb7f9b8306e8d
Markdown4ae476e594a65ef50e92d5eb6528df2e06da7d198df7d6820ce295a14adfdd81
PDF
Publication paged511dcf00566c4542630fde275bf8f99f2d258e89f6daf10ff0689335a584148
Manifestdf3def6c996cba33745d62380bcf8086f66836a72e5f1ed1c1853d255951854f

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
SignatureKJl82e/+btJMx/m8FTfrMj4dbpkoPv3qVzCOU354Y1fX8I9txvhOsxujYrvkqrIP2fXeyxHRo9suV1O+6fJ2Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:57.160720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100019
observed d511dcf00566c4542630fde275bf8f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.141971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100019/manifest.json
observed df3def6c996cba33745d62380bcf8086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.122124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100019/publication.md
observed 4ae476e594a65ef50e92d5eb6528df2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.103246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100019/publication.txt
observed 64bc50cd5ec914db2450f167edeca5d0...
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.