OpenTechnical

OT-2026-000017393

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000017393) never changes.

Identity and time

Publication numberOT-2026-000017393 · never reused
Internal UUID01a0ae6e-76c9-7eeb-ba4b-a79483a0af4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017393
StatusPUBLIC

Content hashes

Canonical text07a1d798a517504533889c5dbe87ecc5e9a1daf1694b07380a117ce1d59022bd
Markdown0e2bc2cc6e816615b3c762fa48490c03b9d9992d0742ba55b2a1da2681235143
PDF
Publication page13888d5cd7b154451d7a46c79859495f09fda3a16aa982dcff8814b523b09095
Manifest9112635b77d36831dcc69666fd375c0ec9b55d442f37c6f54089da59bc7faf87

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
SignaturejaY4bHnQKSgYECRp1vp+SAiUFy0wGivLXFdKZwB6yrWPFRxfh+L1bXwuWyjxUmC6Ry4w8OJvD4s6cUgVE24/Dw==
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

2026-09-17T12:02:31.070831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017393
observed 13888d5cd7b154451d7a46c79859495f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.053645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017393/manifest.json
observed 9112635b77d36831dcc69666fd375c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.038054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017393/publication.md
observed 0e2bc2cc6e816615b3c762fa48490c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.021027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017393/publication.txt
observed 07a1d798a517504533889c5dbe87ecc5...
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.