OpenTechnical

OT-2026-000010887

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000010887) never changes.

Identity and time

Publication numberOT-2026-000010887 · never reused
Internal UUID01a0ae6c-540d-7bc9-b83b-80282e83e2bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010887
StatusPUBLIC

Content hashes

Canonical text6dba2df7634031499f9c9426679c271f23834532cd31d9cd8f5df202fad1b4d3
Markdownc1135ac5a8dcfaf7c953a593916c33be63c378e5506dd7ff7417758ad68c3659
PDF
Publication pagee89b726b4efbc2793d5d7f7fbdb7ed09e31db045bf58e2cc7680ae55e8aea467
Manifest5fee97ccbc678a5687ebdaf60b22853ea42663e7689a3fd29b45c71ea7499e83

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
SignatureLaPyWkb581GzRjJSvc+4dnHZzAHL89jJLJgLytxN6+7C8463rceA8ksI/8zsWMDTyM6TWCSdSYRk/2oK/y2KDA==
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

2026-09-17T12:13:39.247985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010887
observed e89b726b4efbc2793d5d7f7fbdb7ed09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.227150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010887/manifest.json
observed 5fee97ccbc678a5687ebdaf60b22853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.205472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010887/publication.md
observed c1135ac5a8dcfaf7c953a593916c33be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.185882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010887/publication.txt
observed 6dba2df7634031499f9c9426679c271f...
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.