OpenTechnical

OT-2026-000072393

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000072393) never changes.

Identity and time

Publication numberOT-2026-000072393 · never reused
Internal UUID01a0ae92-89d7-7f9b-9cb6-eee6804df36c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072393
StatusPUBLIC

Content hashes

Canonical texta491b5ba1f92b68174ad9cacd9b08020da632bda16bf613af9e2d7f486373740
Markdownd82266d7cda808049622af5215ead63eeb8b90b2000e4452909392e52918188d
PDF
Publication pagecda2d7bc00ba850b67b1e2eae7f9b67f1b5219171acd62f6a7a729f3e552ac64
Manifeste83d6d485a4af0bf7403f76bfcba96555daee34e98a12645c5a12144d71f63ac

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
SignaturesvKYUmP0PCSeHqWE/yHZFHg1IJCY2dcXlTe+J9wkTm4mkWaLcTZ5GAfdJ/KGHYxKO7PeLQZXmtUwPbkEZ0dHBA==
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

2026-09-17T10:22:12.130706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072393
observed cda2d7bc00ba850b67b1e2eae7f9b67f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.112814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072393/manifest.json
observed e83d6d485a4af0bf7403f76bfcba9655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.096170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072393/publication.md
observed d82266d7cda808049622af5215ead63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.079336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072393/publication.txt
observed a491b5ba1f92b68174ad9cacd9b08020...
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.