OpenTechnical

OT-2026-000040697

Publication integrity record

Two cup 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-2026-000040697) never changes.

Identity and time

Publication numberOT-2026-000040697 · never reused
Internal UUID01a0ae79-6d0f-7db3-94df-a399dd1f3052 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040697
StatusPUBLIC

Content hashes

Canonical text5595212bf684f3a929421b49aa154d02712baddee10e45cef5fad0ec65fb51e9
Markdown52f7aa2388531d780171c011b7b850e3387db4a0fa788411d3f04397c5c50217
PDF
Publication page74a24b83858a1708fcf507c972f99286cc9149eebc2f431200c6ddaf7994fd96
Manifest96425abb27b93a54cf89b6964fe24194c5761dd31da746a39b8a6e27deff7fb2

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
SignatureFxA5UksZ7fwlIwC1T3sO7jIbRA3+hLlpxRvVWsqC3MNz64MZUaGAzYIpYS1vaU66IjZtFXEFLV1UCE4z1fxXDw==
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

2026-09-17T11:17:53.743700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040697
observed 74a24b83858a1708fcf507c972f99286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.726871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040697/manifest.json
observed 96425abb27b93a54cf89b6964fe24194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.708764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040697/publication.md
observed 52f7aa2388531d780171c011b7b850e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.690939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040697/publication.txt
observed 5595212bf684f3a929421b49aa154d02...
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.