OpenTechnical

OT-2026-000073589

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073589) never changes.

Identity and time

Publication numberOT-2026-000073589 · never reused
Internal UUID01a0ae92-efb9-7631-90f0-a99ff2282402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073589
StatusPUBLIC

Content hashes

Canonical text2733355435365cf38f06ea29e66bc2c79cdbc0a549b6b45a0d3e4b5cc73d670e
Markdown78ecdc381db2f7bb67a2f958fde834a02d5f15ecb5f815c326537d9bfb3a4f42
PDF
Publication page4ed3f4546db442a758b98d676fd7e939ee8971ac074773db82aa14e5f9f34c7d
Manifest5fecd31bb1a3287c4e7482edddb1a6e68bae83ae64e77419780e9ae2f7098728

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
SignaturejVSFY6HsC9Vg/1pLQCL+f5hYBvY1mgIcvtANOnzlnRBNJSh1xIm4eDCAJShu/uS/CystnU3ve/kDii4CtSxSDg==
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

2026-09-17T10:21:46.123950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073589
observed 4ed3f4546db442a758b98d676fd7e939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.107045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073589/manifest.json
observed 5fecd31bb1a3287c4e7482edddb1a6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.089006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073589/publication.md
observed 78ecdc381db2f7bb67a2f958fde834a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.070418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073589/publication.txt
observed 2733355435365cf38f06ea29e66bc2c7...
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.