OpenTechnical

OT-2026-000040468

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000040468) never changes.

Identity and time

Publication numberOT-2026-000040468 · never reused
Internal UUID01a0ae79-2702-7a5c-8d42-939ee9fabf5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040468
StatusPUBLIC

Content hashes

Canonical text36db7b658dc5ddc898fec6b8b69f2e1d8224d2f57035b15471946d9a9a3dff9e
Markdown300451ccccafbc33a995a439616642715b77ac249b472a08c3f4cdaf9fee12bc
PDF
Publication page7c4e37557793fc269b560b6618336dd5284a6a9afbf7707976eebb27a48e55d1
Manifest2a933307a77f5d288bcb52498f6070fd77b016f6aa4386021a3ebe02910f53fa

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
SignatureUhZPz9+N0iwvYEuSo7Hp0jpPCx9M3Hm8nkKSCkkBLETuQK/NnwrDDd2cer226XQjhkKMfN3Gf+cyAPmRRaG/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:30.911904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040468
observed 7c4e37557793fc269b560b6618336dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.893956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040468/manifest.json
observed 2a933307a77f5d288bcb52498f6070fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.875047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040468/publication.md
observed 300451ccccafbc33a995a43961664271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.854185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040468/publication.txt
observed 36db7b658dc5ddc898fec6b8b69f2e1d...
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.