OpenTechnical

OT-2026-000090188

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000090188) never changes.

Identity and time

Publication numberOT-2026-000090188 · never reused
Internal UUID01a0ae9c-428f-749c-810d-765fe08723b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090188
StatusPUBLIC

Content hashes

Canonical text2966bf44f2d05c5e9f6645e63ff806bd830866e63b307c1a29be72882e533756
Markdownc6c6972053e9526f3ece17108c0d338c0b68ad9a0df7097240aec374543e74b5
PDF
Publication page403f21469bf54690eb78dc13eca74d9c57d8daa868bf009232f08b7831d631e7
Manifestdca44be35321ee36d6403b7da0bed03ad3660a16ed0e19de3234c2b9b2d7e898

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
SignatureRVDv0lAEg4eU0m1wwEH+YE7vpBisVxWsGZuBbkhBy5G5be3KDp2ZiHm4SBI1wlUZkC4mvDypjwDhxf8pUgM/AQ==
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

2026-09-17T09:46:15.401013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090188
observed 403f21469bf54690eb78dc13eca74d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.384484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090188/manifest.json
observed dca44be35321ee36d6403b7da0bed03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.367075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090188/publication.md
observed c6c6972053e9526f3ece17108c0d338c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.350741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090188/publication.txt
observed 2966bf44f2d05c5e9f6645e63ff806bd...
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.