OpenTechnical

OT-2026-000100345

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000100345) never changes.

Identity and time

Publication numberOT-2026-000100345 · never reused
Internal UUID01a0aea3-3054-7ba2-ab88-fbc5136be9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100345
StatusPUBLIC

Content hashes

Canonical text8375265f5faa38afefaa4ea7e2c954cfa8d0d05e82cb7ac3c10a64c2af5505a4
Markdownfdce6aefb3c923bdc31a80bd0762a95612baa4a045730b9483381d9473833b3b
PDF
Publication pageec2f86211df61bd311ec7dd6e0a7eb0405f2aca201b761d1a218b4ac7d340fcc
Manifestb69ebce092f4beb1c6f9388bc638cd69c159750140db8c0666ad816753e4eb3c

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
SignaturekdeFbPrs5HTkR+1mbb6pbJkP5bOP/SE/C9BiN3brhGgY06FAItBa909HQjJb7fjnWMGn5NBzEZWbeqGx6IQ/Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:17.536124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345
observed ec2f86211df61bd311ec7dd6e0a7eb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.517654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345/manifest.json
observed b69ebce092f4beb1c6f9388bc638cd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.495215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345/publication.md
observed fdce6aefb3c923bdc31a80bd0762a956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.475423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345/publication.txt
observed 8375265f5faa38afefaa4ea7e2c954cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.933149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345
observed ec2f86211df61bd311ec7dd6e0a7eb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.916024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345/manifest.json
observed b69ebce092f4beb1c6f9388bc638cd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.898641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345/publication.md
observed fdce6aefb3c923bdc31a80bd0762a956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.881345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100345/publication.txt
observed 8375265f5faa38afefaa4ea7e2c954cf...
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.