OpenTechnical

OT-2026-000098489

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000098489) never changes.

Identity and time

Publication numberOT-2026-000098489 · never reused
Internal UUID01a0aea1-e966-7ac9-b25f-388bfb19e442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098489
StatusPUBLIC

Content hashes

Canonical text12f979065a31abaf1837070852c66cf4ad40c0b07043d4f696d0dcc6f2eb39a7
Markdown059301b26859f43a337bf6a682432627ce0f1fcf7a76f0b5a4caeabd56a03372
PDF
Publication page38230b87b82b998edcd6fd86218cfd299764c2b00a26d300656673901aa331fe
Manifestefa67088ebeb313c6d4fc903ea32f589299929cbea71d9270e8129b0e0100136

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
SignatureoYOYo+tUXHUhe821F54LvkHuEDM++oxttJm5jnNkkZ49rpBY3CUOUXgmdwBjM2m6++Jg2OmzWK+PhiJu6EKHDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:21.482124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098489
observed 38230b87b82b998edcd6fd86218cfd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:21.463384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098489/manifest.json
observed efa67088ebeb313c6d4fc903ea32f589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:21.443957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098489/publication.md
observed 059301b26859f43a337bf6a682432627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:21.425715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098489/publication.txt
observed 12f979065a31abaf1837070852c66cf4...
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.