OpenTechnical

OT-2026-000069215

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069215) never changes.

Identity and time

Publication numberOT-2026-000069215 · never reused
Internal UUID01a0ae90-6dcf-7926-af81-52a097ed503e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069215
StatusPUBLIC

Content hashes

Canonical text20d6f3c60ff0beec3282653134e234741df2af16d985814f4f67b9f5714729fb
Markdown5c1e10dc06f5e4a3ce9406943b96a79483f34027985a5044e356f28b0b7708c5
PDF
Publication pageadb4921ec59854e6cf538769c0f9fc676af5f212a71a58a15a7086811213f65c
Manifestfeb7c00a495ba725b6bc576133e7babb04a9ecfdb78c535d7fc9d331cad6dcbb

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
SignaturerQWslvDh8WViOEikXg8mBA84WNpfenumVTNN7ecCksbZicvuvOBjnK7EpYGX76w3hc9Epa8Gclgz4u9V0R+PBw==
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

2026-09-17T10:29:13.463731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069215
observed adb4921ec59854e6cf538769c0f9fc67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.445032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069215/manifest.json
observed feb7c00a495ba725b6bc576133e7babb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.427976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069215/publication.md
observed 5c1e10dc06f5e4a3ce9406943b96a794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.410189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069215/publication.txt
observed 20d6f3c60ff0beec3282653134e23474...
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.