OpenTechnical

OT-2026-000030946

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000030946) never changes.

Identity and time

Publication numberOT-2026-000030946 · never reused
Internal UUID01a0ae74-3fb6-74f2-ab51-3e26c74511c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030946
StatusPUBLIC

Content hashes

Canonical text7de229d24ea342d2cdcb03c997c0ee4fa6bc70b84c0689043a0e83339285a68e
Markdown8341d2b49f8d8e16de077a9b50effb598ef5822305c263f4f3fa407811ef4708
PDF
Publication pageee7e3e3ae02ad783ef7ad6708571cfb9e874265e4a1372b2de18ffa30346e7e6
Manifest4e52bf3a06f5dbb525697e1da99ba83dce14d4a737e0fd33758eb4c1b1710566

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
SignatureVXaqAUblJKzm5FVI9x83UIA6FtKpNWouBpRNJiG3omLQRgK3AbOLSw+Kt1rkllMMbydC2Q2FL2sKxiZb8Hj/Aw==
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

2026-09-17T11:36:56.640100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030946
observed ee7e3e3ae02ad783ef7ad6708571cfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.620783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030946/manifest.json
observed 4e52bf3a06f5dbb525697e1da99ba83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.601203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030946/publication.md
observed 8341d2b49f8d8e16de077a9b50effb59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.581887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030946/publication.txt
observed 7de229d24ea342d2cdcb03c997c0ee4f...
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.