OpenTechnical

OT-2026-000022789

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000022789) never changes.

Identity and time

Publication numberOT-2026-000022789 · never reused
Internal UUID01a0ae70-46ea-7c11-afa6-05f0f4095409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022789
StatusPUBLIC

Content hashes

Canonical textb6c478b83864e48c8091a9d6938f579bc3225afdac47d221fb0f906204ab4eeb
Markdownd9df2cf2ae95e42ae6fead6ce547e60ba9ea8f0ba00529ed38bb0fbace963190
PDF
Publication page1a10163dc216c5d80130b17d89bb08be57846851a4d2896df3f89523d9dff30d
Manifest805d0370aa032a88738284150f226736597273a1a059aee4dd42daf39d5e3c62

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
SignatureR5NYZ2u50+3TpXT75AWAr60zFrAUNVSMmDvjl9/Ojy9UquA2ibNY4cAigHvihHea7fT4eiPG7MX91T9TgPoSDQ==
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

2026-09-17T11:52:18.537200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022789
observed 1a10163dc216c5d80130b17d89bb08be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.520918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022789/manifest.json
observed 805d0370aa032a88738284150f226736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.502641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022789/publication.md
observed d9df2cf2ae95e42ae6fead6ce547e60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.484609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022789/publication.txt
observed b6c478b83864e48c8091a9d6938f579b...
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.