OpenTechnical

OT-2026-000103032

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103032) never changes.

Identity and time

Publication numberOT-2026-000103032 · never reused
Internal UUID01a0aea4-be3d-79f2-ad7c-c095e67499da · 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-2026-000103032
StatusPUBLIC

Content hashes

Canonical textde00d18105bab224c147656ee3a0cc44825f00bc3dbc87d77a6e2eb929968252
Markdown5d3aefcaedbfa13e725dcbbc00c19eb611a417d714ad6b2d5cac97163a6e82fb
PDF
Publication page8869ab315eb6ea4acd6961b144d7a1e2530f78a9a85e07e35ecee8ef29674bb9
Manifest2ac30c05c6ef4e9935882550260691a18d8254c520d1b171a46943795d5ff649

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
SignatureZrWLsTLEb0pK+NDXKluEk/bLKmGiZGcFDO6K9V3bm/U2HnIxmxKrnMV0e2ML3+YokvJ4WEhmbXPbd7aQtNnyDg==
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

2026-09-17T09:23:09.254901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103032
observed 8869ab315eb6ea4acd6961b144d7a1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.238020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103032/manifest.json
observed 2ac30c05c6ef4e9935882550260691a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.220551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103032/publication.md
observed 5d3aefcaedbfa13e725dcbbc00c19eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.204221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103032/publication.txt
observed de00d18105bab224c147656ee3a0cc44...
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.