OpenTechnical

OT-2026-000022505

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000022505) never changes.

Identity and time

Publication numberOT-2026-000022505 · never reused
Internal UUID01a0ae6f-f4fe-7cb5-a14a-b83543cfc831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022505
StatusPUBLIC

Content hashes

Canonical texte8aeafb0199f3767f3f43447f93db57afafb949423408f06a9e811ce47717907
Markdowncd8e0a80220f0b7cd053282326c482d27947ecab613eec778d4f657f402052ee
PDF
Publication page1640eb237a53b65c8d20982996ef914e8960a160b59cc9992c6c773aacdd5756
Manifestef414963442fba2622c2f0acf962fc0e18902817b58ba19c6618f21b6395e06e

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
SignatureJA4ci6Z0nIxsPKwTvFWNOkPtTzD1afN3xLt6nBsm1SmXsVUtycKL7LsH2sxhLpPHQ7/0cbd8A1mmBB9+4UNZAA==
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

2026-09-17T11:53:55.965088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022505
observed 1640eb237a53b65c8d20982996ef914e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.946724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022505/manifest.json
observed ef414963442fba2622c2f0acf962fc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.927460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022505/publication.md
observed cd8e0a80220f0b7cd053282326c482d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.910485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022505/publication.txt
observed e8aeafb0199f3767f3f43447f93db57a...
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.