OpenTechnical

OT-2026-000067818

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000067818) never changes.

Identity and time

Publication numberOT-2026-000067818 · never reused
Internal UUID01a0ae8f-c4fb-7f51-9592-79514f9d65d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067818
StatusPUBLIC

Content hashes

Canonical text9e36125f0526d698f54d7a823a771a8faffa71681ecde3983854df165df736db
Markdown129deffc611284d397805cd543687973332bcae94e2ab0ba0b93383c7eaa7b12
PDF
Publication pagef6f78ff98a5620619aecd6a43b569cac5606a0b8b35912b578fcdd743eb33dbd
Manifestbd03ac07c7ed2445630accca0ea5655e9f4d444d9174a7713fc5e82cdb9b2d05

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
SignatureYV56eunOD3Sf05+SzvPeJqkxqybvWFNXKteeOqwRQsgk40/h6Gzt+2xePFlqQn40xPLlA3a3Xi8iFtEX2G9FBQ==
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

2026-09-17T10:30:03.962167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067818
observed f6f78ff98a5620619aecd6a43b569cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.943947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067818/manifest.json
observed bd03ac07c7ed2445630accca0ea5655e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.919660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067818/publication.md
observed 129deffc611284d397805cd543687973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.902020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067818/publication.txt
observed 9e36125f0526d698f54d7a823a771a8f...
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.