OpenTechnical

OT-2026-000023649

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained blow-off before set-down

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-2026-000023649) never changes.

Identity and time

Publication numberOT-2026-000023649 · never reused
Internal UUID01a0ae70-aed3-7d65-ae80-832e1ee3c09d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023649
StatusPUBLIC

Content hashes

Canonical text08ed8ed2285a6ad61e75d4ecfcb5435197ff2e801c6847621b4bf2e8ac89c845
Markdown7d4db6f1c4bff8a5b71edaf49e4efc6f5061183a119277effa6c79f3e3db2202
PDF
Publication page096814d7ed3867202e0cd2dc2d7ddeb8b35470d8efde00cb69c3d36c9c36d18f
Manifest74cf365ebad93b97ce5c6cdf2f1eecbd55c3e5609575a595fa5b69fe6acc08c2

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
Signature9W9c7QuWYtKhqGaIMZjnzYqDXX23gNRtxl+DWExcEY+++75BJSrv5uFRnEkFptldQuRt6Qfc71t82+IeiPAUBQ==
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

2026-09-17T11:49:57.680312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023649
observed 096814d7ed3867202e0cd2dc2d7ddeb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.659473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023649/manifest.json
observed 74cf365ebad93b97ce5c6cdf2f1eecbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.639668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023649/publication.md
observed 7d4db6f1c4bff8a5b71edaf49e4efc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.623214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023649/publication.txt
observed 08ed8ed2285a6ad61e75d4ecfcb54351...
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.