OpenTechnical

OT-2026-000095331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000095331) never changes.

Identity and time

Publication numberOT-2026-000095331 · never reused
Internal UUID01a0ae9f-8f71-7f65-bd0b-97ad050bc6de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095331
StatusPUBLIC

Content hashes

Canonical text0a930756a68075c8c8acb268b57f57e1a0c88da7bce0fb76a5155dc0db3b22cd
Markdown309e0253d89683d45daeaa40bba55ddd99d0c2b6f913612e3de361d55809e1ed
PDF
Publication pagefc760155afeaf538da94750e00d27e5a3c5da783e190078311cf7fc36f89666a
Manifest9f9ac4810d5e9975ee5599837f2b9402a79010b3eb8bb65460de265ac3f94d4e

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
SignaturewXPVN6Yf05e6Cwc8YfY9Jj8Ipjz48uI4+b1eeIMIc50AtFQmfX7xCLrGUABWvzBxk2zXvbYGZoxJTNj+E8LKDQ==
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

2026-09-17T09:36:41.180381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095331
observed fc760155afeaf538da94750e00d27e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.162756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095331/manifest.json
observed 9f9ac4810d5e9975ee5599837f2b9402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.141333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095331/publication.md
observed 309e0253d89683d45daeaa40bba55ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.122512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095331/publication.txt
observed 0a930756a68075c8c8acb268b57f57e1...
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.