OpenTechnical

OT-2026-000100375

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000100375) never changes.

Identity and time

Publication numberOT-2026-000100375 · never reused
Internal UUID01a0aea3-66ee-7ec5-a52e-b209c9ceea79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100375
StatusPUBLIC

Content hashes

Canonical text3a577c7df28b6beaf7370341375b76a3bafdb71fa082c19ce3ece44b2ac36726
Markdowne40876730e2b3cc9310984cfdc44405155cbd4d10f3b090c55457099c5a0f58c
PDF
Publication page682257128661756d6e7cedae31c26e7352b5133a23958efbf59e952ceee30059
Manifest22cf98f90cc61abe119d0cef6083c1c181c6765a308856503caf7036b8731914

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
SignatureSrVtzmlVzM7UR9L67y+jFKK7paleV2cP4+OYpRqAJWgd8UU63ihhjbFM1ouBFGsC0koxFqYt6PZnI6WtBZumBg==
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

2026-09-17T09:27:06.166871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100375
observed 682257128661756d6e7cedae31c26e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.149508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100375/manifest.json
observed 22cf98f90cc61abe119d0cef6083c1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.130859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100375/publication.md
observed e40876730e2b3cc9310984cfdc444051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.114631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100375/publication.txt
observed 3a577c7df28b6beaf7370341375b76a3...
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.