OpenTechnical

OT-2026-000020032

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000020032) never changes.

Identity and time

Publication numberOT-2026-000020032 · never reused
Internal UUID01a0ae6f-1fb7-7d94-a321-f3949f419fa4 · 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-2026-000020032
StatusPUBLIC

Content hashes

Canonical text6417ead0be05d46e308b7de9089791117611ec9c74e052ebdda3dce9fc35951c
Markdown24f57fe27154f89e75aa7b724f0d391c0283106471f5fd15d1a595ae4e485c7f
PDF
Publication page9a5a5a8da7fd4a2e9bef18bed74d1dcd7915dcbb05d192e097932c5d9c977b02
Manifestbf4d62e53fd307da00de7b1c3bd3007308d91bdc1eec4b6512e4539d80619e80

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
SignatureA+LD8iEsQpbuo3+LQvBPioKyBHaDMMRscp57TBz82TkOuaWPzxcLllFoW10Fzq1CPBuKdBKtKLKQLJ1piyi/Bg==
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

2026-09-17T12:42:15.244650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032
observed 9a5a5a8da7fd4a2e9bef18bed74d1dcd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:14.963898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032/manifest.json
observed bf4d62e53fd307da00de7b1c3bd30073...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:14.802616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032/publication.md
observed 24f57fe27154f89e75aa7b724f0d391c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:14.630085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032/publication.txt
observed 6417ead0be05d46e308b7de908979111...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.259770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032
observed 9a5a5a8da7fd4a2e9bef18bed74d1dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.243307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032/manifest.json
observed bf4d62e53fd307da00de7b1c3bd30073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.224606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032/publication.md
observed 24f57fe27154f89e75aa7b724f0d391c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.206100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020032/publication.txt
observed 6417ead0be05d46e308b7de908979111...
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.