OpenTechnical

OT-2026-000068009

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068009) never changes.

Identity and time

Publication numberOT-2026-000068009 · never reused
Internal UUID01a0ae8f-c4fe-7b8f-a79f-6862a2374fff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068009
StatusPUBLIC

Content hashes

Canonical text58c1b3f812570cbb719367d08bf8c233c1b8ec53ed09e951a2e18b08b42a300d
Markdown2a5e751ded1acb3a4c8260449a187dd4b287e70c2b96dca80e091ca905838def
PDF
Publication page51aa4ef6835d0dad935f0d596d66d96e64b5c9571c6321a978f0226a37554cbc
Manifestb170856923a15010baf043515004c004948d92bb9b78d3dcc4a591a659b2325a

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
Signatureqa6lnAFi1W1jvJD3JkAcj0jiJlppp9MiXJua6Hm6E+4eIsBNMVX1Vm6oaNmYH2ieAgzcViqAuICWMif1Zf0wBQ==
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

2026-09-17T10:30:33.909779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068009
observed 51aa4ef6835d0dad935f0d596d66d96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.891102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068009/manifest.json
observed b170856923a15010baf043515004c004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.867391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068009/publication.md
observed 2a5e751ded1acb3a4c8260449a187dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.849639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068009/publication.txt
observed 58c1b3f812570cbb719367d08bf8c233...
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.