OpenTechnical

OT-2026-000047222

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000047222) never changes.

Identity and time

Publication numberOT-2026-000047222 · never reused
Internal UUID01a0ae7e-d0f9-7145-8baa-bea1c1f27749 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047222
StatusPUBLIC

Content hashes

Canonical textcb505a8f18a010ff5c09e0039be94af26d4a41a622711437d850004bcb7d8956
Markdown1920611851e9bbe006e1ce79900c469ff8d38ff5c43d3373b650f70b931096f9
PDF
Publication page99e08cd798285cb9ad1af291777f0c234d367d9f9388b4034e31a5b55198629f
Manifest78412347c47f00d34b6bd5210d47856cf5bf84d6344f2e1748660731fc199e90

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
SignatureuBDJrRNA2rRET6IcjH9aTrUHR2Jymtew/IwK9Ifkavv8gsQMDQmXwHYU1GV3NXUJOww3FIz1I6BmWbtthBkACA==
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

2026-09-17T11:08:03.630812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047222
observed 99e08cd798285cb9ad1af291777f0c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.613026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047222/manifest.json
observed 78412347c47f00d34b6bd5210d47856c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.595292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047222/publication.md
observed 1920611851e9bbe006e1ce79900c469f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.576695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047222/publication.txt
observed cb505a8f18a010ff5c09e0039be94af2...
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.