OpenTechnical

OT-2026-000015195

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000015195) never changes.

Identity and time

Publication numberOT-2026-000015195 · never reused
Internal UUID01a0ae6d-ef47-701b-aaf1-d597eb9f392b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015195
StatusPUBLIC

Content hashes

Canonical text19323894e348f4fdfc409a8537da32a059897ff34c4175deabd649535eacdc65
Markdown88c0aeb9902dd76dffc85f869e40d9c4bdec18fff782227049ea6c9aa30e9ce1
PDF
Publication page19505ac412478ffd6d49f3cebff491545b8d284a1b4c5ba3c7721b4394c72733
Manifeste5b1580708926daf322e19bb0e78d491ca6f43d64aa209935ea47c3d06e86fdd

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
Signature5u6cLBeEAiQ5HQr/4Z19fj98yJUMef7wtOuF1B6WFzSzQqEiL8Itksul0MvsOMSvlaVQP65dEMv9bHUsG5lLCg==
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

2026-09-17T12:05:49.448730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015195
observed 19505ac412478ffd6d49f3cebff49154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.429512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015195/manifest.json
observed e5b1580708926daf322e19bb0e78d491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.412084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015195/publication.md
observed 88c0aeb9902dd76dffc85f869e40d9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.392284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015195/publication.txt
observed 19323894e348f4fdfc409a8537da32a0...
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.