OpenTechnical

OT-2026-000091791

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000091791) never changes.

Identity and time

Publication numberOT-2026-000091791 · never reused
Internal UUID01a0ae9d-43b9-72d2-b896-fb6107f57865 · 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-2026-000091791
StatusPUBLIC

Content hashes

Canonical textf289fd8bf282d97981d399bb0c40de1bb36c8fab7ff1afd087b6f6927cedbcaf
Markdown33b728f80e6c74a399bc1e587f61944e0f3d213d1f85419147eec5c5ee88aed1
PDF
Publication pageebd21b00100bc5f62fa61617b2940eda3453a11e2fa72d133a4cab86ae69cfaa
Manifest2e6a10538984852c1290680fa4b932cb96ac9b97dcd02b0dce9ab8f6c1c0bbf1

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
SignatureUB3CwN6iNExLbvXedi1vN6ztJhZH9D2QwNeNBVNSZrbn2trMil9wTwTdYHUQTORoX4M7wgdqbgSR7Pw6o6QrAQ==
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

2026-09-17T09:42:41.383193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091791
observed ebd21b00100bc5f62fa61617b2940eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.367372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091791/manifest.json
observed 2e6a10538984852c1290680fa4b932cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.350803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091791/publication.md
observed 33b728f80e6c74a399bc1e587f61944e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.332880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091791/publication.txt
observed f289fd8bf282d97981d399bb0c40de1b...
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.