OpenTechnical

OT-2026-000090802

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090802) never changes.

Identity and time

Publication numberOT-2026-000090802 · never reused
Internal UUID01a0ae9c-7f32-7783-b1b5-798e7a8b4cf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090802
StatusPUBLIC

Content hashes

Canonical text3998336a3e798eb0c985319422114e9769a2d37d1da17571b3398d34c61bd898
Markdownd2f15d75cdce74ae69fd3d88a2654416ff2365b4301182a942e15f474560bddf
PDF
Publication page18aaa690eff6ff19c1be07ca5375be6395a2cf75eff452c3710a195dd6306c38
Manifest7ae7f171ece4a1c649613d7c9af6b01dbe23d8b6564b1416b991880c19128c71

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
SignaturetS5yZPo4kaa1oBtDdom6uGKztje5YE2JeyEAOcoyWnVTvOUNjx8ChH4zM7WTxwqBGmZ/rSxkPgyUNvBYyFHyCg==
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

2026-09-17T09:45:00.638122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090802
observed 18aaa690eff6ff19c1be07ca5375be63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.622081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090802/manifest.json
observed 7ae7f171ece4a1c649613d7c9af6b01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.604629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090802/publication.md
observed d2f15d75cdce74ae69fd3d88a2654416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.588166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090802/publication.txt
observed 3998336a3e798eb0c985319422114e97...
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.