OpenTechnical

OT-2026-000010042

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000010042) never changes.

Identity and time

Publication numberOT-2026-000010042 · never reused
Internal UUID01a0ae6b-cb79-7913-96ea-8f57db50d3d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010042
StatusPUBLIC

Content hashes

Canonical textcef51f8076b7d99a5cb72f6822902db2d327cd5e7041e86d68728dfca27c860d
Markdown4dae88495ad9ae3a114fa3b92a8aed0e6c3e635b91a380d4690cf568358269dd
PDF
Publication page1b1cf948273587b96d9b21f57853f422919e64e309478478becc95f15b34631e
Manifest055efdf717284b79179ee8cc590547753648301f9fd44b6519fd31bd307964d3

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
SignatureXnP0MaunOd8LXHhUuY4a+Kuu/rL1dWGyLhngxhhY+7ltI+30TdE3/veTomJ5PexJGoTqB05TgnEfLGt849giBg==
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

2026-09-17T12:16:06.485252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010042
observed 1b1cf948273587b96d9b21f57853f422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.465534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010042/manifest.json
observed 055efdf717284b79179ee8cc59054775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.446206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010042/publication.md
observed 4dae88495ad9ae3a114fa3b92a8aed0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.427512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010042/publication.txt
observed cef51f8076b7d99a5cb72f6822902db2...
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.