OpenTechnical

OT-2026-000088032

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000088032) never changes.

Identity and time

Publication numberOT-2026-000088032 · never reused
Internal UUID01a0ae9b-1aa7-71cf-b6b5-2d57941ec093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088032
StatusPUBLIC

Content hashes

Canonical text3ef1620dd39a90683c1f86c9e12719de38116b53ed2a817973008708d71bac88
Markdown82e68e186fe91c3e71a9f9d40490d0fb5910b3e9039cf87c65f0dcd3d67f2933
PDF
Publication pageed350339523ca4d47695f4341f6702367ec411c9eca29e50540c1938cf462365
Manifest5c8bf2b9b3113f37ec0a191f146de8062f56481025b3c4334ce681290f5f061e

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
SignaturegJUmFkN/+tlxNHH9fSsqhVT3b6oQcbRaHCvwxC91C94fl+mq6HJ3YYZjcwfU0ISDlgHAlBfX8nwR+/hTMNyoDQ==
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

2026-09-17T09:49:25.206945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088032
observed ed350339523ca4d47695f4341f670236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.190041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088032/manifest.json
observed 5c8bf2b9b3113f37ec0a191f146de806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.171712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088032/publication.md
observed 82e68e186fe91c3e71a9f9d40490d0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.154059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088032/publication.txt
observed 3ef1620dd39a90683c1f86c9e12719de...
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.