OpenTechnical

OT-2026-000092050

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000092050) never changes.

Identity and time

Publication numberOT-2026-000092050 · never reused
Internal UUID01a0ae9d-43bc-7981-b227-adcb188ae06d · 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-2026-000092050
StatusPUBLIC

Content hashes

Canonical text9f478354e9192b8b52088f5cbe4bd50e6fa60b6fc43d1d98fb6c1feb44c51499
Markdowne7d8b2e066dced66856569fce81794326d782b6107eb236568cc6bb9ad1d25b2
PDF
Publication page72c12198227e0445e65b6ad370e203eb98dbf072512791ec0e537f48f1b2c80a
Manifestf1581c663e39d48738cca87d710a8c2e0ee131b7334502e12f47e68e78fa38c1

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
Signature/fTYkuSy8WedISd2VhGmtqH8Nw+GUBGwXKGWK9UqAeMp9fM59oTql7lM3fU2Hm+jGGey39+LsaAjpjfLk0ZdDg==
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

2026-09-17T09:43:08.724675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092050
observed 72c12198227e0445e65b6ad370e203eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.705132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092050/manifest.json
observed f1581c663e39d48738cca87d710a8c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.683846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092050/publication.md
observed e7d8b2e066dced66856569fce8179432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.666169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092050/publication.txt
observed 9f478354e9192b8b52088f5cbe4bd50e...
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.