OpenTechnical

OT-2026-000049806

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000049806) never changes.

Identity and time

Publication numberOT-2026-000049806 · never reused
Internal UUID01a0ae81-8ff0-7b26-88c3-601a09b4939f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049806
StatusPUBLIC

Content hashes

Canonical textb3b1f621c0c9d9153fe20932b935a5b23ec305cd50c07ed7b84706b0bade35b4
Markdown69a8da4ddaa8cdf8e2655943b030d42db81ea4557c1ab863e4ba0c8d004a4c59
PDF
Publication page900e98ad8b4047a2795fc17da2eaa79f5cab3807161a0ed3023e2925eb5ee1ca
Manifestac88f96148487a6b0fad0566969a3b5e93f2f9e965fd7d6e3e7787f0f5635e45

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
SignaturezMiaa151P64OenN8y1ICpV1LBhTNdovhq6BzTaSgurcyGBfdZVNow7js18eDlLvyhTY9H4HWr8wP91te/gT9DQ==
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

2026-09-17T11:02:55.963137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049806
observed 900e98ad8b4047a2795fc17da2eaa79f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.943921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049806/manifest.json
observed ac88f96148487a6b0fad0566969a3b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.926472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049806/publication.md
observed 69a8da4ddaa8cdf8e2655943b030d42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.907071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049806/publication.txt
observed b3b1f621c0c9d9153fe20932b935a5b2...
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.