OpenTechnical

OT-2026-000087571

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087571) never changes.

Identity and time

Publication numberOT-2026-000087571 · never reused
Internal UUID01a0ae9a-cd52-7d67-9504-c02968852f0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087571
StatusPUBLIC

Content hashes

Canonical text13a0beb1484ece138d7a18fc1d9636de58cfa3f7375dbf27fb26aec4a69d5422
Markdownf02bbdbb39b009ee88487a56996fc83511c2b2e4926d51e7d1a6c28634cef4c1
PDF
Publication page184363f3cc2d70023d6aae5ba704d28c7b33a5c91b95c45451bd6dc70ad1fb11
Manifest4d48f8e0d641823d91f6a7969e61cc3eaa07058dc36336df9baf35f57e82fd64

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
SignaturetxLCH2lkMNc2euNhzeSJdP15Ypi9YhPu611+li1Pw3+7yajpEkDVUGXxirvNjmHHAksPzjZv2mIE3gNlTCY7Aw==
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

2026-09-17T09:50:55.043100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087571
observed 184363f3cc2d70023d6aae5ba704d28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.026954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087571/manifest.json
observed 4d48f8e0d641823d91f6a7969e61cc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.010461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087571/publication.md
observed f02bbdbb39b009ee88487a56996fc835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.994760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087571/publication.txt
observed 13a0beb1484ece138d7a18fc1d9636de...
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.