OpenTechnical

OT-2026-000019962

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019962) never changes.

Identity and time

Publication numberOT-2026-000019962 · never reused
Internal UUID01a0ae6f-1fb7-73d7-aab9-dacdcf7c4fec · 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-2026-000019962
StatusPUBLIC

Content hashes

Canonical text34db8cf9c44e0880829ce37a2eed1d21ba6bf0780420fa56052b55d83e74120e
Markdowne01f8b9301e9ba0df087acb72a1ec9fec1ed96e7606166eb14b7a4dffc901670
PDF
Publication page5e0ff0c818b13c7f2c45ada6616aefd350d9624cace40add139c849ca058c3d7
Manifest0b4918300b357159ae3d443917e9f01cdd1046ec7cba094ed991dff2aec9e893

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
SignatureZEJ3JJ0ZerjNe2O4DJEVEJ42GQntaUzWyyjm/rcz5vEBN01QsEZgzqz47/j2dkvILAeT/tJzKNFefxYr7gC6Aw==
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

2026-09-17T11:58:11.635424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019962
observed 5e0ff0c818b13c7f2c45ada6616aefd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.616492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019962/manifest.json
observed 0b4918300b357159ae3d443917e9f01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.597656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019962/publication.md
observed e01f8b9301e9ba0df087acb72a1ec9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.576476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019962/publication.txt
observed 34db8cf9c44e0880829ce37a2eed1d21...
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.