OpenTechnical

OT-2026-000040405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040405) never changes.

Identity and time

Publication numberOT-2026-000040405 · never reused
Internal UUID01a0ae79-2701-704b-8c60-488d863b5e3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040405
StatusPUBLIC

Content hashes

Canonical text1dbb2ea7d6b021a91f0be387e78efe408ecb5f0553e1e061b9ea25a012ca3a7a
Markdown0b5c29dd67b57e8e3352370a101362ed58fa9420112838f33cfdf17e466307cb
PDF
Publication page88e5f8292771d662aeb861c9192386046a92c4e0ffd7d51612f1b87bd15fadb7
Manifest378f21fa8666e3308283653b80eac5591ff801144b636595e5ad9b2411fe66e6

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
SignatureHSj46VgfJhwB763ECklVoIP8wD9M92l6CwsCj4MUefdtCoekdlHq/WwotJaFrYt7D4CD6rhJWlQsu+7NUhtfAA==
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

2026-09-17T11:19:26.301787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040405
observed 88e5f8292771d662aeb861c919238604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.279613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040405/manifest.json
observed 378f21fa8666e3308283653b80eac559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.260434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040405/publication.md
observed 0b5c29dd67b57e8e3352370a101362ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.241547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040405/publication.txt
observed 1dbb2ea7d6b021a91f0be387e78efe40...
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.