OpenTechnical

OT-2026-000013260

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013260) never changes.

Identity and time

Publication numberOT-2026-000013260 · never reused
Internal UUID01a0ae6d-6fc9-7041-be06-6ffe04729129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013260
StatusPUBLIC

Content hashes

Canonical text316ae2c44d79bc21ab280c8a397e47cffa0cdde8a91796c6fd72f12993997306
Markdown62bcce73ce07f74dbb3fb50639c52987c2157ef41098abb0edb4ab18895403fc
PDF
Publication page983ce40abdc0c71d5d73160cada9113113a113555122565756fa73b38720be62
Manifesta4a772720157347fe61ffd8b16e4397d3e31747a150e99cab4d6480224bf2148

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
Signaturec4/5TUZ+Ob/83ff03+hMrDo0Rt0iz/Mprlkl0b6Y8tJVNcR25H73UW13/pb2wxUzre+PtAve0Kbnouc5lb9ZDA==
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

2026-09-17T12:09:40.117318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013260
observed 983ce40abdc0c71d5d73160cada91131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.099144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013260/manifest.json
observed a4a772720157347fe61ffd8b16e4397d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.078610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013260/publication.md
observed 62bcce73ce07f74dbb3fb50639c52987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.058070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013260/publication.txt
observed 316ae2c44d79bc21ab280c8a397e47cf...
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.