OpenTechnical

OT-2026-000036417

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000036417) never changes.

Identity and time

Publication numberOT-2026-000036417 · never reused
Internal UUID01a0ae77-01d1-711a-8ee4-b99ded25ab38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036417
StatusPUBLIC

Content hashes

Canonical text52c930986fb7cd5dd78d36a30eea7225a1930957186a3e3fb4b23e1e8676618f
Markdownd30e1c9e6e3383acb7cd80e173010d499c51bed769923e78bbb979766607d78b
PDF
Publication page7e2246647f7e03e6e1ed439429d0de7b00d81ee85f3067e5927caeff216ac236
Manifesteb2a42ed3c4f6272efa473426de743b4f5c9b75e5db6dd4352dbe61b6adab59b

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
SignatureVWBYli7yGnXkWH+5YRxFczA352WLSPtXIcOgC520RTJJ48uZk2GwgZTAKimG4Y4msoobstJbW3nPwYD77th/BA==
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

2026-09-17T11:26:48.434667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036417
observed 7e2246647f7e03e6e1ed439429d0de7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.417655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036417/manifest.json
observed eb2a42ed3c4f6272efa473426de743b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.400319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036417/publication.md
observed d30e1c9e6e3383acb7cd80e173010d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.381687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036417/publication.txt
observed 52c930986fb7cd5dd78d36a30eea7225...
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.