OpenTechnical

OT-2026-000029402

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000029402) never changes.

Identity and time

Publication numberOT-2026-000029402 · never reused
Internal UUID01a0ae73-5e20-7f29-adbb-27c00017ab02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029402
StatusPUBLIC

Content hashes

Canonical texte7bc185e5ea9d1870b0e474fbd3c48b7dfea8d66e2b9af83e109476ab5e68bf3
Markdown2b110653fe3e2770923db2d7f82496e80881b9930de4142bbde491a525eb156e
PDF
Publication pageb99a163340fa1a4fec3f3eb53132f72b9dfbba399400da1f271ee284d487a7cb
Manifestb6faa554065e1b1340fdbfab203e8df717a2f5328df9759a529b69cbd1a00aac

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
SignaturemZ4m16+uqbATNl3H8DsC8LSjgV5kuLVcq1sphnzJ0wyMzokleR/zQM0GBCe0kdPuRdI2BpE/d4tBwn/qi73uDg==
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

2026-09-17T11:38:59.846693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029402
observed b99a163340fa1a4fec3f3eb53132f72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.827064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029402/manifest.json
observed b6faa554065e1b1340fdbfab203e8df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.808001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029402/publication.md
observed 2b110653fe3e2770923db2d7f82496e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.788771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029402/publication.txt
observed e7bc185e5ea9d1870b0e474fbd3c48b7...
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.