OpenTechnical

OT-2026-000014244

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000014244) never changes.

Identity and time

Publication numberOT-2026-000014244 · never reused
Internal UUID01a0ae6d-b279-7f38-98b9-c5bd71d351d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014244
StatusPUBLIC

Content hashes

Canonical text3c71fe75da678be3f8bbd98dab781d3f32af8698bcb57fb7cd95d086303e03a2
Markdownecfb151912da787f9c3e672e4f87b6bfa8fee6d9a126ec232d6e6282e7950270
PDF
Publication pageb3f4959ef3aef51a75791ce6b1f7b1d204b6f5c906195bfb4242ebc8c3fad7c9
Manifestdff35bcf2a212e693fc1df2ebdfec833da99f5759867b2e7e11644d9b16e2c93

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
Signaturenr1iiq8pk0LUntM+RtN0Eueg4Ev2urnCKKgwnU5f0fK0xh+nxDutA4vIbwXDyiHuGNBP2mKVR21vmJuKrF7zCA==
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

2026-09-17T12:07:21.935568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014244
observed b3f4959ef3aef51a75791ce6b1f7b1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.917509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014244/manifest.json
observed dff35bcf2a212e693fc1df2ebdfec833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.899764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014244/publication.md
observed ecfb151912da787f9c3e672e4f87b6bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.879655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014244/publication.txt
observed 3c71fe75da678be3f8bbd98dab781d3f...
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.