OpenTechnical

OT-2026-000092531

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line 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-2026-000092531) never changes.

Identity and time

Publication numberOT-2026-000092531 · never reused
Internal UUID01a0ae9d-b5fd-701d-b8e8-24becf46eb7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092531
StatusPUBLIC

Content hashes

Canonical text720b180d4a3db7a6d9bea9dbf0bfe8d908b464bdb556f2d87c56c5b938589596
Markdown01cc74c5581c91cf2093cb4c2ef4597ccce9ca326680967d465355f81d2ea36d
PDF
Publication page8745a8fc9c3d7da46ac0637639d408ee618106d902a2b10d8b9b7570991dae27
Manifestd65091afe28490aad3dcc05b637005da9418a8fbefbc8b8ddb88277d149e41ee

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+Yr8nG4QE9RyUmWG7x2GzZVFYDO68KcVSxIIDLlXGUgxkEd1kCjPIpDTflDpfiapA1iiJvTDp/3C/ubDjRC7Cw==
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

2026-09-17T09:41:06.601625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092531
observed 8745a8fc9c3d7da46ac0637639d408ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:06.583271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092531/manifest.json
observed d65091afe28490aad3dcc05b637005da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:06.565960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092531/publication.md
observed 01cc74c5581c91cf2093cb4c2ef4597c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:06.547750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092531/publication.txt
observed 720b180d4a3db7a6d9bea9dbf0bfe8d9...
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.