OpenTechnical

OT-2026-000062345

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062345) never changes.

Identity and time

Publication numberOT-2026-000062345 · never reused
Internal UUID01a0ae8c-0abf-74f1-b301-c2d03de343d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062345
StatusPUBLIC

Content hashes

Canonical textc5780cf7486bb4516f514980523968effd91820ea633a8499591d325f3587182
Markdown304092e812b38d6e2af24f25f590d43e116a047ccea665f6e11dc0c0ba0cd389
PDF
Publication pagecb20ec90efaae13ec93e0754f089eefba59370ff419e7029195ef230dd559eb6
Manifest25af634b233e4ed21adab641ce960969da7f55268afdb2c8c2f6f7ff7ad87e6f

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
SignatureaUkxkwOVw8YJW+YQBMDchayoTgdfJrCeKOZZszhqy++sXTXgmarEGOsRTTUs5Fj+pi+vrAD2SI1uy3jfWnJPDQ==
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

2026-09-17T10:39:39.412970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062345
observed cb20ec90efaae13ec93e0754f089eefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.396583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062345/manifest.json
observed 25af634b233e4ed21adab641ce960969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.381011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062345/publication.md
observed 304092e812b38d6e2af24f25f590d43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.363884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062345/publication.txt
observed c5780cf7486bb4516f514980523968ef...
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.