OpenTechnical

OT-2026-000090190

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000090190) never changes.

Identity and time

Publication numberOT-2026-000090190 · never reused
Internal UUID01a0ae9c-428f-7c8c-b005-ecbc62c872b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090190
StatusPUBLIC

Content hashes

Canonical texte6f28160264840c1dbb1ae44170a2200aab426c5e256d9d6e11bfb5dc0513231
Markdown05ebbe23bd424c99a1d542a8bff40adfce1f11835992e49416e28a21a8521ecd
PDF
Publication page3caa99e79ecda42fa6c6996696a66d5783c331acd8d5fd74c7f56cc97ffacaa7
Manifest2228cc2deb85e7967e6ed94c8f3f5994ce7aace0a47cd37c2f521f03b63186ee

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
SignatureBBNYrz94dCQlKPUkvAtklDHyXfdyhUjd/IN9+U8/s7lMIZncDiu/8TrVTdaxuLfi/qha7oZU2+twVe5mJxLiBQ==
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

2026-09-17T09:46:15.623918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090190
observed 3caa99e79ecda42fa6c6996696a66d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.606068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090190/manifest.json
observed 2228cc2deb85e7967e6ed94c8f3f5994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.587609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090190/publication.md
observed 05ebbe23bd424c99a1d542a8bff40adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.570208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090190/publication.txt
observed e6f28160264840c1dbb1ae44170a2200...
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.