OpenTechnical

OT-2026-000078789

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000078789) never changes.

Identity and time

Publication numberOT-2026-000078789 · never reused
Internal UUID01a0ae95-ccbd-7284-a6bf-6aaf86e0f2b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078789
StatusPUBLIC

Content hashes

Canonical textd51e6d2a424a01229e2f0a4e89c53fad9c83249c80056983e22d35ca8b103bda
Markdowncb9a18391fc88a843ccf20245d1c07d9e887e0b871ac7f43c9c65701aeaf3e30
PDF
Publication page9f4d4f2a730da433439ee4ff0f20c6c883135bdd8d431df6afc36233140b1c83
Manifeste1ae7ca227ed2775b1f8f8a60f17021f5b67ff5da73ebd41d655260b6851edd1

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
SignaturetK8Y6XDRM8FWMSovE2Q0zIKihCCaYuRGL7aqlCTA5imKlMz/Rizwbachv6epVvr3n2ljgY6N39GFtD8t53WRCQ==
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

2026-09-17T10:05:34.712599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078789
observed 9f4d4f2a730da433439ee4ff0f20c6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.694053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078789/manifest.json
observed e1ae7ca227ed2775b1f8f8a60f17021f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.676374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078789/publication.md
observed cb9a18391fc88a843ccf20245d1c07d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.658417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078789/publication.txt
observed d51e6d2a424a01229e2f0a4e89c53fad...
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.