OpenTechnical

OT-2026-000093028

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000093028) never changes.

Identity and time

Publication numberOT-2026-000093028 · never reused
Internal UUID01a0ae9e-090f-71bd-8219-155298879c07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093028
StatusPUBLIC

Content hashes

Canonical text63abc7f8b2216effab139f90f6da79d2785b3276a6d1fd7ca3d4524515c70c82
Markdown10a02c38a6821598e8442bcb9f965f3f1526da3345773173a268db916b90e8d3
PDF
Publication pageb976b75ff39c387c6f3ace0c2a8f0680758a104ac82150dfad17b851d8b8506a
Manifest56a480992e070ff2dadc93d799458a48f81aefd17891c2bee9751d06ac7ab872

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
SignaturejoXyiG8HqXnUSOr2qtSeDSoORovE8A9yvsGssmq9A6PDKKCBM6ln6X3LDrT/GuRMBA0A+v03oElbIN1INmhNCQ==
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

2026-09-17T09:40:14.512083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093028
observed b976b75ff39c387c6f3ace0c2a8f0680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:14.492849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093028/manifest.json
observed 56a480992e070ff2dadc93d799458a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:14.472476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093028/publication.md
observed 10a02c38a6821598e8442bcb9f965f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:14.453278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093028/publication.txt
observed 63abc7f8b2216effab139f90f6da79d2...
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.