OpenTechnical

OT-2026-000019318

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000019318) never changes.

Identity and time

Publication numberOT-2026-000019318 · never reused
Internal UUID01a0ae6e-f392-7a6a-b7c2-ce9e679c4589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019318
StatusPUBLIC

Content hashes

Canonical textce572c6e45ba7a4f207611519ef3e81806ae07dacc6c178d81ffbb70c9c656c4
Markdowncb5f42fa41c10897756dd1e1562af70a372acd47d593508d3d7ba0591c943ae2
PDF
Publication pagedd33c90224c53536f7dd01bc09c3a34b9df07609f6a454a842689ea3841e62a3
Manifest19f350b26753f8471fad1bb959c3cc939008d6fa5af39c19887f6181f87cf3e7

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
SignatureqpazZd1WJgTwAVxi9gCjlDLtsdb9qdVcpYd0zHJuKJaHIL1frqJLv9HCh8UqJqgnIXRAWg2HCk3Wu0MgbVjRAw==
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

2026-09-17T11:58:40.890513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019318
observed dd33c90224c53536f7dd01bc09c3a34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.872890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019318/manifest.json
observed 19f350b26753f8471fad1bb959c3cc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.854699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019318/publication.md
observed cb5f42fa41c10897756dd1e1562af70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.836827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019318/publication.txt
observed ce572c6e45ba7a4f207611519ef3e818...
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.