OpenTechnical

OT-2026-000091927

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000091927) never changes.

Identity and time

Publication numberOT-2026-000091927 · never reused
Internal UUID01a0ae9d-43bb-7f2a-91da-6c20df022fc4 · 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-2026-000091927
StatusPUBLIC

Content hashes

Canonical textb2571221bf5555416d28e8b5b7dab57e688acdb8cda127f0be3895817e9d7d5d
Markdown29f9b0927d885f3f895aa27bc7db7e11ebafdb0b5218a2ac31ae9f737e96858f
PDF
Publication pageee4d6c441d2a17ff9ff216a4ef625e1cf5587bbc7fbbc3beb9f5be5627274c37
Manifestef03ba66e1dd3231443dbf0af05fb9de6680686478586d7b93110697ba32ac51

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
SignatureGx4OaTd8pzZh1My4VZzY9xL1WuDTdHx/wmukq/aTFmZ3AGESJ2RF8xdb5gxJTAQKnGN5DLhG8GK9kDhQ4UCTAg==
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

2026-09-17T09:42:52.234558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091927
observed ee4d6c441d2a17ff9ff216a4ef625e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.216917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091927/manifest.json
observed ef03ba66e1dd3231443dbf0af05fb9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.200713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091927/publication.md
observed 29f9b0927d885f3f895aa27bc7db7e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.184521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091927/publication.txt
observed b2571221bf5555416d28e8b5b7dab57e...
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.