OpenTechnical

OT-2026-000026231

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000026231) never changes.

Identity and time

Publication numberOT-2026-000026231 · never reused
Internal UUID01a0ae71-a841-7a50-b361-5d3912effc05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026231
StatusPUBLIC

Content hashes

Canonical textc91617d1684181807dd0ccdf77e4d7d2b3dc6f76314997adfce1c40ba2abeee2
Markdown4f7bec180a9e9661a8b40e3f924f3ffecb86ce8c130d784909af5bc59b5f8d33
PDF
Publication pagec0ad2eef5687ac33d468cf48ef7c145fbb11156bee74dc47bf0e214ef3ce8cc4
Manifest0dd7fff85079b6c7d08ac0c3f2c27ffbede080df80409dbc5f0ff735e06733ba

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
SignaturehWp19iL4P0u3/FwWVW7kXk33Y0gvDj8F2XSSTUUkjWIbvJlEkhGt05crk0U1RRBeJPk71GNJKOy9UDyEp9EfBA==
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

2026-09-17T11:46:45.798092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026231
observed c0ad2eef5687ac33d468cf48ef7c145f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.778838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026231/manifest.json
observed 0dd7fff85079b6c7d08ac0c3f2c27ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.758696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026231/publication.md
observed 4f7bec180a9e9661a8b40e3f924f3ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.742286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026231/publication.txt
observed c91617d1684181807dd0ccdf77e4d7d2...
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.