OpenTechnical

OT-2026-000032210

Publication integrity record

Foam pad vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000032210) never changes.

Identity and time

Publication numberOT-2026-000032210 · never reused
Internal UUID01a0ae74-f7a7-75e7-aeb4-3649ccabe664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032210
StatusPUBLIC

Content hashes

Canonical text44638fcdf3079d5959b3ce84befe13ed3a533c78c50c84b9aa1257445ca98740
Markdown36675c2a8ab27021e2fc0bd003dc738fba81fd02e71f7c7abc87bc6ad372092f
PDF
Publication page3f2d9f2ca43c933c16cd22e03fdac05d4c6451634ead544d34e544d2aa6d6505
Manifest683947284db8ed97e4907456db5d765aa1792a570cae4d979b06373e0a1c12fc

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
Signature1HouIvdlBSplU0e9Pb7YqyMWJtRTlJXBF4ZiWX8Hsu68mYyxZP7kz0utsxbOJmvR0NC5OYRhzZu6DNUM/2MSBg==
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

2026-10-19T12:41:14.554970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210
observed 3f2d9f2ca43c933c16cd22e03fdac05d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:14.494866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210/manifest.json
observed 683947284db8ed97e4907456db5d765a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:14.429678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210/publication.md
observed 36675c2a8ab27021e2fc0bd003dc738f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:14.338787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210/publication.txt
observed 44638fcdf3079d5959b3ce84befe13ed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:16.679523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210
observed 3f2d9f2ca43c933c16cd22e03fdac05d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:16.578915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210/manifest.json
observed 683947284db8ed97e4907456db5d765a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:16.472114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210/publication.md
observed 36675c2a8ab27021e2fc0bd003dc738f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:16.376927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032210/publication.txt
observed 44638fcdf3079d5959b3ce84befe13ed...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent