OpenTechnical

OT-2026-000046803

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000046803) never changes.

Identity and time

Publication numberOT-2026-000046803 · never reused
Internal UUID01a0ae7e-d0f4-7dbc-8771-d0cb1ac2eec8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046803
StatusPUBLIC

Content hashes

Canonical textf67d0cbc3e35989b4015d1c515c7be1dfdcb6f6dd36466886d4e9703490a9a40
Markdown593db514a1b3282997b852816ce343a9e48af3b1afbc704d8fffba8b29fa0ce6
PDF
Publication page7f8d939b2c4d736bc068d61959b93b25cf40ce3b8b164d65710c0a14b203675a
Manifest4c35cec4a887ff76e29050dc118b05d0e257a6e2ddcb48c35e178b0cedd08e66

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
SignaturehMeSo/rPjfhGEffsI7zLHlseZNGyaWp/Wcg4RuYT4iFLuW/uSJqUnvnDg23vZQgT/xnbFJUkTerp2Wm48iURCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:53.263232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046803
observed 7f8d939b2c4d736bc068d61959b93b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:53.245195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046803/manifest.json
observed 4c35cec4a887ff76e29050dc118b05d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:53.226300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046803/publication.md
observed 593db514a1b3282997b852816ce343a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:53.206070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046803/publication.txt
observed f67d0cbc3e35989b4015d1c515c7be1d...
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.