OpenTechnical

OT-2026-000091233

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000091233) never changes.

Identity and time

Publication numberOT-2026-000091233 · never reused
Internal UUID01a0ae9c-f16c-7f37-ba75-16b042ee2ff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091233
StatusPUBLIC

Content hashes

Canonical textb9cadc7af64635c6342cd997587ce24ed07da4024d2e0cbc1a1432f68e561956
Markdowna5615c4e06f9eb39524b3ed6605d13773c455fee7b2888da99496bac822fb5aa
PDF
Publication pageddd13efc8d4d5437d269aae123944ef49f04454429ad6c4070edc4e061305a7d
Manifestf8967ea776701a7a6fe70598b84f8264098792fa5602a907cd4714c821ae0dc9

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
SignatureraT5x2mfOlT/vpAlmZBJNquiDv8hp3IqAWP1j1/fwR3lNWqEefXCHPFR29SnHSHttu17If9Sp63EjTVYOX5sAg==
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

2026-09-17T09:43:24.371398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091233
observed ddd13efc8d4d5437d269aae123944ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.354202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091233/manifest.json
observed f8967ea776701a7a6fe70598b84f8264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.337715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091233/publication.md
observed a5615c4e06f9eb39524b3ed6605d1377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.319872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091233/publication.txt
observed b9cadc7af64635c6342cd997587ce24e...
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.