OpenTechnical

OT-2026-000032268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000032268) never changes.

Identity and time

Publication numberOT-2026-000032268 · never reused
Internal UUID01a0ae74-f7a8-7414-8cdd-0ad4be007fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032268
StatusPUBLIC

Content hashes

Canonical text628a1665f50fbd01216b67cdf2b5c9bd96bb4d8b0e38121c82e266c03186427f
Markdownefcb54f7a728067bcd5d77b103a3d7330a8b2a027feff00f48c14e9e77be14c4
PDF
Publication pagece18d1d05a5a554561769f9b9853b7c7c3919e7ff35136dcc440d7ef00cf020f
Manifestbe3404237569c25447856b9359307af7636912063dad15ed91192395d8f20423

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
SignatureN2aTPJQxCGAgZ08zd1XZgwshWFxg0tYyZDHrioJszqB6EcWLGlTEfyvaB7lzMz+MS7UH366By7saiwys1wvXAg==
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

2026-09-17T11:34:37.825657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032268
observed ce18d1d05a5a554561769f9b9853b7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.808840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032268/manifest.json
observed be3404237569c25447856b9359307af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.786252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032268/publication.md
observed efcb54f7a728067bcd5d77b103a3d733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.768031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032268/publication.txt
observed 628a1665f50fbd01216b67cdf2b5c9bd...
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.