OpenTechnical

OT-2026-000072560

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072560) never changes.

Identity and time

Publication numberOT-2026-000072560 · never reused
Internal UUID01a0ae92-89d8-7db5-8b51-87a20c01cc4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072560
StatusPUBLIC

Content hashes

Canonical textcf0cc342d0f9b14f3adfec1d3bfb0865f14b09e129f87445b509dba308f09def
Markdown10d35406397c8e32270d9c52ba33909230ecd9b3f7bd3f9b87045fd571a2f333
PDF
Publication page15026e42ce8dd44480979db7a24f658f4cfae18ca2cfa19f74914c2462d920d2
Manifest28769284291aaacd54db19b5123575d89606053fc48f7b35cbbf4d67b8764ac6

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
Signaturek7sdm+1pnxCxM59r0czNOxEUQNY79VxdLKdR3xuiOFHunxEVIbv/ItmxUSgToIhDYoUx3W9OoCKSa473LqZ4BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:23.726947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072560
observed 15026e42ce8dd44480979db7a24f658f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.708631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072560/manifest.json
observed 28769284291aaacd54db19b5123575d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.689797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072560/publication.md
observed 10d35406397c8e32270d9c52ba339092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.672803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072560/publication.txt
observed cf0cc342d0f9b14f3adfec1d3bfb0865...
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.