OpenTechnical

OT-2026-000019985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019985) never changes.

Identity and time

Publication numberOT-2026-000019985 · never reused
Internal UUID01a0ae6f-1fb7-7f16-9059-25c1412eda0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019985
StatusPUBLIC

Content hashes

Canonical text5c9738f0b9a38afbd69838a30ddc52921b44fd8e7d3beee7fb43d99cc3762815
Markdown43a79fb20429df9881a0a049a8da27c906c9d911e7582e512504e0d69e85baca
PDF
Publication page513cab7b2aea4b99059c3f42971b18293ee688bee206bbeeee075b106d42ae31
Manifestd7fc904d00a164dff2b333accdcf3ffae085ec25269ef2a9c17ac80342cbcee9

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
SignatureWsVBNgPMADI788ut6Pd8VuXDtwu1N4om2qRJ40IxmbASgPeojoT4WQa4PcN7xHaK4bcPxixSghRIB7FoXaMDCg==
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

2026-09-17T11:58:13.558133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019985
observed 513cab7b2aea4b99059c3f42971b1829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.541966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019985/manifest.json
observed d7fc904d00a164dff2b333accdcf3ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.523955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019985/publication.md
observed 43a79fb20429df9881a0a049a8da27c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.508069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019985/publication.txt
observed 5c9738f0b9a38afbd69838a30ddc5292...
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.