OpenTechnical

OT-2026-000097105

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000097105) never changes.

Identity and time

Publication numberOT-2026-000097105 · never reused
Internal UUID01a0aea1-01c9-7c93-82bf-8e955c6b6fad · 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-2026-000097105
StatusPUBLIC

Content hashes

Canonical text8839453f28181cd2197c684448ff0acd24aedd74e63f3087b58cd6c5711f0a6e
Markdown33470f02f90e82186bda2447c7de224532ad489a72549cdc5620cc4b3d55f8e1
PDF
Publication page932743659fa6bbcb09797572fe34459326be5dafc1e55a4c3392a630a1404ec3
Manifestf8bb0ccec98163e467a6803e4b0c48b039b25903e726aa5fb8d969ee79f562aa

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
SignatureOnKIWkSMJQvUZRx7iAwGwI/CzRS1hhUJhfvpxSipWqBNtlGyWbUU/uv1NfilGZ1vm800toxW9ssDX0Eb63dEAA==
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

2026-09-17T09:10:44.599720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097105
observed 932743659fa6bbcb09797572fe344593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.457723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097105/manifest.json
observed f8bb0ccec98163e467a6803e4b0c48b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.438520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097105/publication.md
observed 33470f02f90e82186bda2447c7de2245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.419406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097105/publication.txt
observed 8839453f28181cd2197c684448ff0acd...
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.