OpenTechnical

OT-2026-000098332

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000098332) never changes.

Identity and time

Publication numberOT-2026-000098332 · never reused
Internal UUID01a0aea1-e965-7e72-ac77-3895274d6fe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098332
StatusPUBLIC

Content hashes

Canonical textf599fc355d15e6e1ec1cb408dffbe1aaa65f8ad7d61f9236128575aab8562596
Markdown05efd131b248eac2ca5574ef925238b5a411f3f3d40bd6b631a4b956ddf9864f
PDF
Publication page1a5d22f2d83b6f614cfc1a9e29ded7a505b77f999f02107d1680fa5765be62ea
Manifest803f3a95668163ff7f2ffb438d9a4235838f9f2dd5ed32fb9e024192ed290d62

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
SignaturezIHelJRoqyrEQ88155WQkF+gAqly2SPh24CY4XXgH/jObt8UV82L1rFBrSVMTKxIcwl5LALk8/Kdr4T9gvZ7CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T20:42:22.145707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332
observed 1a5d22f2d83b6f614cfc1a9e29ded7a5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:21.915189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332/manifest.json
observed 803f3a95668163ff7f2ffb438d9a4235...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:21.578536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332/publication.md
observed 05efd131b248eac2ca5574ef925238b5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:21.292262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332/publication.txt
observed f599fc355d15e6e1ec1cb408dffbe1aa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:31:32.600848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332
observed 1a5d22f2d83b6f614cfc1a9e29ded7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:32.581393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332/manifest.json
observed 803f3a95668163ff7f2ffb438d9a4235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:32.563351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332/publication.md
observed 05efd131b248eac2ca5574ef925238b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:32.544300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098332/publication.txt
observed f599fc355d15e6e1ec1cb408dffbe1aa...
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.