OpenTechnical

OT-2026-000019042

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019042) never changes.

Identity and time

Publication numberOT-2026-000019042 · never reused
Internal UUID01a0ae6e-d523-7147-8728-aa3d0bea9bb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019042
StatusPUBLIC

Content hashes

Canonical textb01c65b7b6e05c2874260b7eb4a397b8458bbe9341b11e0ca58ef045f4fe1f92
Markdown21fd7ed3373efe6dd09fb570ee39228fd01cbd16c3ddcea3df439add41dfb6fb
PDF
Publication page699e963b91cc3e369f43a261f7f5c366218b267ecda3a813bbf39cf696c58b74
Manifest005a7e7b903a66be01d0c9bd20d16289cc8530b00a595361f02aa938b5b47908

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
SignatureyEsT3z4bRFKux/wAacouK3/Icb+sQLW2xTnojFbMlt9mEGARRQXzQWSt2bh3fuBPOAZDniXxOinWKH4Yjf/YAA==
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

2026-09-17T11:59:44.076332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019042
observed 699e963b91cc3e369f43a261f7f5c366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.056054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019042/manifest.json
observed 005a7e7b903a66be01d0c9bd20d16289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.036527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019042/publication.md
observed 21fd7ed3373efe6dd09fb570ee39228f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.016524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019042/publication.txt
observed b01c65b7b6e05c2874260b7eb4a397b8...
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.