OpenTechnical

OT-2026-000102998

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102998) never changes.

Identity and time

Publication numberOT-2026-000102998 · never reused
Internal UUID01a0aea4-be3d-77fd-9f0a-d6c66d3da8c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102998
StatusPUBLIC

Content hashes

Canonical textb928d62fa5c44d188e014838fc85f0cb122045ef4ae58c706be16d365032f139
Markdown8477a814cc5267280782a9412ddcfd103da3d68191bec402eb3ed4f14f0ce5ee
PDF
Publication page4745a654f140146d7d8a64a6a6bcc55d6f7e2824337a4dd242341201b4eae69d
Manifest90a595b0fdc18cb46ebe291480f085f02c2879abeb0701e1228b5ac5c23c7513

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
Signature8MLJN7twyCh1S59CFeQfLs5AN8zymTsJ/HVgWrcRJXBU7MaKNtCElWpPqO/ddi92LwBUjyftEB5fKubUHZ2QBg==
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

2026-09-17T09:23:06.734801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102998
observed 4745a654f140146d7d8a64a6a6bcc55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.717598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102998/manifest.json
observed 90a595b0fdc18cb46ebe291480f085f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.699265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102998/publication.md
observed 8477a814cc5267280782a9412ddcfd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.680869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102998/publication.txt
observed b928d62fa5c44d188e014838fc85f0cb...
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.