OpenTechnical

OT-2026-000072817

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072817) never changes.

Identity and time

Publication numberOT-2026-000072817 · never reused
Internal UUID01a0ae92-89da-7cd6-ac38-81482bc19857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072817
StatusPUBLIC

Content hashes

Canonical text80d335434dd8123323485dfe596bfbeb37421cc42863b85497bd0a2334081471
Markdown73b02dcada19ededbb0b6eefa2186713f9f4ddc2986173f4563ab98956af99df
PDF
Publication page0ec10b23e18b90d2ffe239e48d06b7ac4c4d32154fbbfb3887db911b08d7bde8
Manifestc7e7ed5072d626e42207967b085a41f7e788cc4bbaf823124fa5564e200ee271

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
SignaturexF2uOdHgtGqJ8lEhdqKaal+Mk0kkqk479S/QyJ/i9rZ4LCgsy5a+w+QL56E+lHxV4K342i750mToqrRmSRiEDA==
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

2026-09-17T10:22:44.110944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072817
observed 0ec10b23e18b90d2ffe239e48d06b7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.093705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072817/manifest.json
observed c7e7ed5072d626e42207967b085a41f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.075409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072817/publication.md
observed 73b02dcada19ededbb0b6eefa2186713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.056549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072817/publication.txt
observed 80d335434dd8123323485dfe596bfbeb...
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.