OpenTechnical

OT-2026-000083790

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000083790) never changes.

Identity and time

Publication numberOT-2026-000083790 · never reused
Internal UUID01a0ae98-0417-7a78-b6f1-ac8f2d869f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083790
StatusPUBLIC

Content hashes

Canonical text16b23acb8e44f7259a29f0cac507fac3816a3d1aa606739a87e24d60958c04ac
Markdown6a6271aa30a8cbb65c7f8669fea5c667f5fca827534d716d296d61a868f9d05e
PDF
Publication page32da397c4a934895641b7866227c744d0ca1de165c8512aad1b9ce12113ea924
Manifest88ff5059902f4e64e5ee50db5dbb91f7f6d4499e6bb6a7c294383ce6a5480de1

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
Signaturerobe4M7j+7kNi3rNszvGBThYfQ4Kmh7MVoNdFZBwaLE4Lswn5rttfqvgGRSoOiUHNBozLFYbk18luj9/9KWMCQ==
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

2026-09-17T09:57:26.143068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083790
observed 32da397c4a934895641b7866227c744d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.127739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083790/manifest.json
observed 88ff5059902f4e64e5ee50db5dbb91f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.111349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083790/publication.md
observed 6a6271aa30a8cbb65c7f8669fea5c667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.095381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083790/publication.txt
observed 16b23acb8e44f7259a29f0cac507fac3...
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.