OpenTechnical

OT-2026-000091742

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091742) never changes.

Identity and time

Publication numberOT-2026-000091742 · never reused
Internal UUID01a0ae9d-43b9-7a78-a8d2-205c3379e63f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091742
StatusPUBLIC

Content hashes

Canonical text46794cfff8f168789ee10a76f5a040fbf488277ad50362ad085aacdaff02d006
Markdown269255b56f28a1db224b8354d03a2e3aa894164b07cd52112eff92eac0531a52
PDF
Publication page4fa290c4e9807655bc4e08ef01ef72300af05c9ae7a4008be46a99862315d429
Manifestd382497f2898e2a8378d0fe14ef7ea2fc7a5cd6e920261e35e7963da3e0f34e4

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
SignaturemDxPM5SWr/3CrPn8IsJbGx7T4YQ9Nnp4CT6+FonwukMcByoyTcaIbs4rzsWkqAiyCJqNTHkNHLUc/sJ+2Rj8Dg==
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

2026-09-17T09:42:38.069867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091742
observed 4fa290c4e9807655bc4e08ef01ef7230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.001638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091742/manifest.json
observed d382497f2898e2a8378d0fe14ef7ea2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.984178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091742/publication.md
observed 269255b56f28a1db224b8354d03a2e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.966847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091742/publication.txt
observed 46794cfff8f168789ee10a76f5a040fb...
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.