OpenTechnical

OT-2026-000074813

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074813) never changes.

Identity and time

Publication numberOT-2026-000074813 · never reused
Internal UUID01a0ae93-ac2c-7776-9eeb-c8b74c3c7d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074813
StatusPUBLIC

Content hashes

Canonical text1827034d84d6dfbc864fa087569f7887aa90a003149069e01fdb8cb18e035b50
Markdown69ec6fd3fd222e36f3c349d4ba596b1f57bf08b6fc1e343e092cd4f1735a16c2
PDF
Publication page426e403011b393fd151ca8e4027e55644fcaeacab377664c54abf1f2b567c108
Manifestdb573f080f24fb3026e7aaa10202c0aa8c637dd550b5ae67fee0f6fd996c25e1

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
SignaturesaSv/lHCdNzOmNlkdk8+ZbyGgDPlgaJj0LIU/iFJjqkXpZvIqzWA9udeuCqNyBPEtGv6HoLnDVysad1X/l5aCg==
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

2026-09-17T10:18:31.200691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074813
observed 426e403011b393fd151ca8e4027e5564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.184001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074813/manifest.json
observed db573f080f24fb3026e7aaa10202c0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.168994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074813/publication.md
observed 69ec6fd3fd222e36f3c349d4ba596b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.151817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074813/publication.txt
observed 1827034d84d6dfbc864fa087569f7887...
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.