OpenTechnical

OT-2026-000048934

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000048934) never changes.

Identity and time

Publication numberOT-2026-000048934 · never reused
Internal UUID01a0ae81-134b-743a-906f-652b67c634ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048934
StatusPUBLIC

Content hashes

Canonical texte7bbfe2e693f1fd303f7e2e98956b071139a6a1f23a3fee8692665455b48d51e
Markdown7e95099bf5f9cb6408cae8579a2b870445f885c3405f65ee3c667f66e0995470
PDF
Publication pagec3f9d66a1b384ed09cf72a3669ee4e437216ef1b1ce765a51ee89581ced1f7f9
Manifestba726ba375da016e7e32b59a9bda49e8cd461200a77f839e9a2868b9c3cb0c20

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
Signaturej7n8OisjjyKIXB5HRtKYgsHwtVJZbG2RLS7nYt51b8+5xv+TXctz3gmPzNHCWxqVidmWXKc7OSiSzSHvXQ1/CQ==
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

2026-09-17T11:03:06.968509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048934
observed c3f9d66a1b384ed09cf72a3669ee4e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.951819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048934/manifest.json
observed ba726ba375da016e7e32b59a9bda49e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.934170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048934/publication.md
observed 7e95099bf5f9cb6408cae8579a2b8704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.881757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048934/publication.txt
observed e7bbfe2e693f1fd303f7e2e98956b071...
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.