OpenTechnical

OT-2026-000097129

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097129) never changes.

Identity and time

Publication numberOT-2026-000097129 · never reused
Internal UUID01a0aea1-01c9-7c9b-a8f6-5d8407226a5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097129
StatusPUBLIC

Content hashes

Canonical text831ed1f32625456b31d9372abbcdf6a9355e8e9dab530d9348a960fe0200d039
Markdownbe0c0c5a6af84e322a588286bbfcaee3ba55bfd3fb84de258f0086c75a23cb00
PDF
Publication page2813a69e537129d501576addeb19d2702813cd87aa4fde8f47d0ec3b7777d752
Manifest6505cf6d03002a4640677dbaf0e1774a77c717bd6a46c18a5aaa70a58b40df25

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
Signature4XqH8cA94RkxBnzCWlW55C8ogwsXPW+m1tNJMctPB74RMyM6jOwzJ74YTE9fwHJjX6zsvLIgQ6o9LJa2VOreCw==
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

2026-09-17T09:10:53.926938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097129
observed 2813a69e537129d501576addeb19d270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:53.910351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097129/manifest.json
observed 6505cf6d03002a4640677dbaf0e1774a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:53.891282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097129/publication.md
observed be0c0c5a6af84e322a588286bbfcaee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:53.872886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097129/publication.txt
observed 831ed1f32625456b31d9372abbcdf6a9...
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.