OpenTechnical

OT-2026-000069199

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000069199) never changes.

Identity and time

Publication numberOT-2026-000069199 · never reused
Internal UUID01a0ae90-6dcf-71ae-b60e-692693592862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069199
StatusPUBLIC

Content hashes

Canonical text37311892cec510447a75795dd0812e9554ac9a120ddbe61e675b86feb65314d8
Markdown3e40575a56bd3272a06fe8e31bd6c8ef0f7a39b5944255e23b50caa91778ce12
PDF
Publication page9c2d70c065b286ac1064ba51a83d31ebaedf483ea70357105cbff0455607f6ec
Manifest03e6b6daa5030c280406dcbc9ee6e87c3c3abb144aea30b8aacf03a68479c688

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
Signature3CKM62lZhxS2gHVnD3JJJCEVFCLYDfJzUwLLCDN3Ixej+Du05G+1aSLPF2+rsSUQl1Z/CYcSU2Tig1MaZiL6DA==
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

2026-09-17T10:29:05.854714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069199
observed 9c2d70c065b286ac1064ba51a83d31eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.836436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069199/manifest.json
observed 03e6b6daa5030c280406dcbc9ee6e87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.817817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069199/publication.md
observed 3e40575a56bd3272a06fe8e31bd6c8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.800608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069199/publication.txt
observed 37311892cec510447a75795dd0812e95...
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.