OpenTechnical

OT-2026-000095164

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000095164) never changes.

Identity and time

Publication numberOT-2026-000095164 · never reused
Internal UUID01a0ae9f-8f6e-7041-89e8-3d1f1390299e · 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-2026-000095164
StatusPUBLIC

Content hashes

Canonical text81118f9fa7e2a08aaf95af1d9aa5fc34291437dbda53aec1c61e446aed8fca10
Markdown5b64d45a048102cd848ed11db4b7d690a763abfa3fc73719f334966b4d7e69d6
PDF
Publication pagef6aef30798d03157ef4d91469a78f2200c1ca82db109038cc1c8fe1b57cb85d3
Manifest1b4246406db303f784c884e18b9d07cb1cf49dfac5c404d805e7e0bcfc9fc699

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
SignaturedJbT3erHmKuChzTDezs/FZ5Ilx5Z7jcGbPeNGPQ9fBzNU/KgGFV2OKtTYCry4zF7XUPtxejqqtxCI2n7brJlDg==
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

2026-09-17T09:36:28.066443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095164
observed f6aef30798d03157ef4d91469a78f220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:28.048570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095164/manifest.json
observed 1b4246406db303f784c884e18b9d07cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:28.027768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095164/publication.md
observed 5b64d45a048102cd848ed11db4b7d690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.964071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095164/publication.txt
observed 81118f9fa7e2a08aaf95af1d9aa5fc34...
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.