OpenTechnical

OT-2026-000084225

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084225) never changes.

Identity and time

Publication numberOT-2026-000084225 · never reused
Internal UUID01a0ae98-5b60-7e48-be42-f4522dbb6c0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084225
StatusPUBLIC

Content hashes

Canonical text24af2c81376d71dbd026c99527fbe92508dc539fc0572099628b0c2e657d2784
Markdown3cbfc01a521edb65780e145ef0f709fec9fc8926d4e68a1ab0cf884c7e949cc2
PDF
Publication pagedcef37a4ecd83eccd46d7be124845eae8e9c6a658c538482bde4925ec3911b43
Manifestf1dfbd59ca31d4611be386524b448ea69e2793f49655c79fa38e4e704916775b

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
SignatureemHnLSfTvnLbJhomqGRd2mXEGWzfR9HlcyI63x16YdiT2xEHM4xz6MYu6rz0KmGXto931F5cYh7nHReYmo5kDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:01.023812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084225
observed dcef37a4ecd83eccd46d7be124845eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.004974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084225/manifest.json
observed f1dfbd59ca31d4611be386524b448ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.986993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084225/publication.md
observed 3cbfc01a521edb65780e145ef0f709fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.968459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084225/publication.txt
observed 24af2c81376d71dbd026c99527fbe925...
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.