OpenTechnical

OT-2026-000009406

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000009406) never changes.

Identity and time

Publication numberOT-2026-000009406 · never reused
Internal UUID01a0ae6b-7561-7ea3-a85a-b357c508e8fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009406
StatusPUBLIC

Content hashes

Canonical text497e7ab5080c09cd956f5eda2a9cf4c9b344fc6b75d072759a224a6c21bc8a67
Markdown73d4b1859061ae37ef68248112f653311f0fda4ed06bc02decdee74f5cfaadda
PDF
Publication page84fae85fe6c9f741c1b0ad75a5de6e42fb1c91c23bed719aefddf8476c26b30a
Manifest891881e5c7ad026447204fa73f8c441c1b4364d68484863af80c36deb98dd93b

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
SignatureF0oprtsP0hCkGvWvNwlPhOSIYnyVTmin8UMv6UO1KssojUDI7O6VwjgXLTKNsszU2fgqUODeUiui8sEnFPDKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:41.204329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009406
observed 84fae85fe6c9f741c1b0ad75a5de6e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.183902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009406/manifest.json
observed 891881e5c7ad026447204fa73f8c441c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.165789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009406/publication.md
observed 73d4b1859061ae37ef68248112f65331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.147434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009406/publication.txt
observed 497e7ab5080c09cd956f5eda2a9cf4c9...
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.