OpenTechnical

OT-2026-000063681

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000063681) never changes.

Identity and time

Publication numberOT-2026-000063681 · never reused
Internal UUID01a0ae8c-f946-7577-9d89-65092bf6e029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063681
StatusPUBLIC

Content hashes

Canonical text7bdb4143ce5265af9d7cf349b47b48de20b4b15ea2c72e1419a603575610d9de
Markdownd0838717b69995b0f554cdc00399f90b288bb12a6670d7d3e4384ae7a2d07bba
PDF
Publication page8599afb4186e971475ffd39d00686d1511a55c802eb61a4170aadc0cec135704
Manifest35c82ccb78a95cdd2a96d6df429b7310ab2a0f680e10f7f8ce14c3238bd16acd

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
SignatureyAjO8nchpBy0LKVgNEmBDb2GtokQ8vop40VST40jQxhOL0ehkfM9jVdONUwcxl8r9LVy1kL+j1Q63awH0YRIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:47.843525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063681
observed 8599afb4186e971475ffd39d00686d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.820468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063681/manifest.json
observed 35c82ccb78a95cdd2a96d6df429b7310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.798907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063681/publication.md
observed d0838717b69995b0f554cdc00399f90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.779801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063681/publication.txt
observed 7bdb4143ce5265af9d7cf349b47b48de...
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.