OpenTechnical

OT-2026-000019714

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000019714) never changes.

Identity and time

Publication numberOT-2026-000019714 · never reused
Internal UUID01a0ae6f-1fb4-7c61-954f-9c42bae2e1f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019714
StatusPUBLIC

Content hashes

Canonical textd0d8198e4cf8c2eea7e9235a704b44a427038875869a5a06149767d0dc4f02c9
Markdownda3d3ca5ff862675a2881be96046a195b50e3547196b5eeff4e9de5582a7e76c
PDF
Publication page5d7d061e1af944cce55adf84ae91a4087977a0358c3358fe2e99784a5c964dbc
Manifestda1c18c1a9d334401b0b025fe1c235eb167398d06343cd1b92008ee46e626774

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
SignatureqZ1o6CH8vJUrDIu3K40E0BQuGdsiuGfz09WeRw+xYrQqWPt9VsiyNvWJW5z+nJGWgM7CKzyDHbdPCBHVsgDnDA==
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

2026-09-17T11:57:48.060754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019714
observed 5d7d061e1af944cce55adf84ae91a408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.042820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019714/manifest.json
observed da1c18c1a9d334401b0b025fe1c235eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.024515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019714/publication.md
observed da3d3ca5ff862675a2881be96046a195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.007283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019714/publication.txt
observed d0d8198e4cf8c2eea7e9235a704b44a4...
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.