OpenTechnical

OT-2026-000042310

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000042310) never changes.

Identity and time

Publication numberOT-2026-000042310 · never reused
Internal UUID01a0ae7a-5d74-768e-9c74-be649167eba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042310
StatusPUBLIC

Content hashes

Canonical textc7eb41d14ed7f38caedb05ec296cf7eb2526a90c834e4e013d20430d192090a7
Markdown109d245236d6829b7c0d73fb440f7c320beb42535de609b52cb294945b90ff45
PDF
Publication page0785a7b49e2f62625f0f5069507bd6312ead933ad0dc2c66a7fb66ed3ad63986
Manifest6633de6ae7c8069e41d6cdcb3000dc74548582165560a866784785cd71ae13d8

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
SignatureX3XO7ndsjojCHbfL50xG6JGTu4j0VXY+mNdonQIobjv3C7EedL+HtfW8LrQ87sRlU4LqBa9GxBlhi1hmSaQnAg==
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

2026-09-17T11:16:00.671613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042310
observed 0785a7b49e2f62625f0f5069507bd631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.654457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042310/manifest.json
observed 6633de6ae7c8069e41d6cdcb3000dc74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.637141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042310/publication.md
observed 109d245236d6829b7c0d73fb440f7c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.618317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042310/publication.txt
observed c7eb41d14ed7f38caedb05ec296cf7eb...
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.