OpenTechnical

OT-2026-000023415

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000023415) never changes.

Identity and time

Publication numberOT-2026-000023415 · never reused
Internal UUID01a0ae70-7268-713f-b8fa-db6f9903db35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023415
StatusPUBLIC

Content hashes

Canonical textfff6b962b08e75359803383d3a6eeb0e03a2fdea94946e25dca8bdc6ff498349
Markdown209830b79ce5755fb15af5b70ac7f50051fa7930bac181593825949996dd61ae
PDF
Publication pageeb97639fae152fbc65830bbfab2e975f18757838e2dd26df310f30490b3e81d4
Manifestcd4e988dc23c8845b8006419ab224f3d58b89277546447410083c4fa6a1d4ae7

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
SignatureG+a3iwtBv6MVcAvB7/wwj7sBgFi5myNdcB+3kKYUeoqWV1OvqbcnjqGVxxT1j/FwIERZr+gJfQdIoQzLXRYrAg==
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

2026-09-17T11:51:37.390147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023415
observed eb97639fae152fbc65830bbfab2e975f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.373321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023415/manifest.json
observed cd4e988dc23c8845b8006419ab224f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.358379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023415/publication.md
observed 209830b79ce5755fb15af5b70ac7f500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.342912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023415/publication.txt
observed fff6b962b08e75359803383d3a6eeb0e...
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.