OpenTechnical

OT-2026-000013100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000013100) never changes.

Identity and time

Publication numberOT-2026-000013100 · never reused
Internal UUID01a0ae6d-5565-74be-89e6-42e356652c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013100
StatusPUBLIC

Content hashes

Canonical text4df90246e20bc548396fa968eb5024e2ec71fab5b12a028710521dc4e1b65425
Markdownd44fe4c178531ee0642e7f636aaa5f1e9701336ef2c61299bf29c4222ea13d28
PDF
Publication page54acbf59ec0c05ef5ca54df00549d2786ca873c59935fe95861d4df2586ce610
Manifestea703382dc642e65c91c66cabd7c5f466c6c8e7f41168a121ad514d3d500a7d5

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
SignaturetbqwqFc0XOhpaMmm3n5dLTIXG81utn5S2CLNMba5DwJa6U6YnI9YtIhS1v7nsUz4DxaaWNSbAJSlkJCcoYNnAQ==
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

2026-09-17T12:10:57.101155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013100
observed 54acbf59ec0c05ef5ca54df00549d278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.080279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013100/manifest.json
observed ea703382dc642e65c91c66cabd7c5f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.060666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013100/publication.md
observed d44fe4c178531ee0642e7f636aaa5f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.042227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013100/publication.txt
observed 4df90246e20bc548396fa968eb5024e2...
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.