OpenTechnical

OT-2026-000046439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000046439) never changes.

Identity and time

Publication numberOT-2026-000046439 · never reused
Internal UUID01a0ae7e-57dc-737b-a922-7ddec6ccd0a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046439
StatusPUBLIC

Content hashes

Canonical text23234640d6e3edb72b38a6d2263f510bd72aa89cffdd84b11b7a326312f7b75d
Markdown62697d65231b2b517dd82fd412cb115cd4344cc595e3271c104c14f0849b61f5
PDF
Publication page2359f4f6c7877fbec64806aef1d75f5e3cbc276d7647c32f45373e14e17c45ed
Manifest5188d6ad6db607a36f94717071950fdb9e44cad19369f500bcc01a06c025e5a0

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
SignaturelL2htA3nT7rqVxoNcgT1CWEUj0C2UVyhyzM8kVISjxkrfWgb6vWxu5zvF4+ZymTUYYimMNJLoRSd2cvWAuCGCw==
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

2026-09-17T11:08:27.455371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046439
observed 2359f4f6c7877fbec64806aef1d75f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.435096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046439/manifest.json
observed 5188d6ad6db607a36f94717071950fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.417144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046439/publication.md
observed 62697d65231b2b517dd82fd412cb115c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.396671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046439/publication.txt
observed 23234640d6e3edb72b38a6d2263f510b...
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.