OpenTechnical

OT-2026-000051903

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000051903) never changes.

Identity and time

Publication numberOT-2026-000051903 · never reused
Internal UUID01a0ae83-7c85-77fa-a40b-d3632dad007b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051903
StatusPUBLIC

Content hashes

Canonical text4c051d2a226fc080609b17d6d28b30d6a9c3d694e002a9d8a0a6b86ca66570ae
Markdownb767d5c9f1a8ff7d79a9d444f2c7360d8231e54bfbaed0699129dae18e4f37f1
PDF
Publication pagec0724e90ecc4b2e6c74f2631f0621022093f66129a18e7c866e2e289963c1e17
Manifeste6095fee837436e10b99dce0c6b67f135b975f6aa5cf19f33fbb9ac1753f1d5f

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
Signature18m6IhJjXv1rZecM/gbusxvK/SX0WzbYIixHXAnfg2VXBoEkP26uKp7NULGgZVLtnl7Z4E0jhKU4HEyV0WLvDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:52.119436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051903
observed c0724e90ecc4b2e6c74f2631f0621022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.101663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051903/manifest.json
observed e6095fee837436e10b99dce0c6b67f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.083259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051903/publication.md
observed b767d5c9f1a8ff7d79a9d444f2c7360d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.065880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051903/publication.txt
observed 4c051d2a226fc080609b17d6d28b30d6...
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.