OpenTechnical

OT-2026-000005828

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, pressure verified, vented before set down

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-2026-000005828) never changes.

Identity and time

Publication numberOT-2026-000005828 · never reused
Internal UUID01a0a946-33d5-7345-b8ad-c68b126a3c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:25.431551Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005828
StatusPUBLIC

Content hashes

Canonical text9f66165f562f9b46c4538b1a66d8a6812fed60d0f7831631b784859748dbfde4
Markdowna65c2f57eef6735eff4dd4df6f7f250b2d79c7af480b632c8b8f7244ff444285
PDF
Publication page84892bc2bd35ddb64f52e787eb52dae8744fd33d0a884e94387ee59ab3fff75d
Manifest054aff40dddff01cb4c72c95317eb7f0390d84724c4fd852eec4de17993dcaaa

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
Signatureqv2ie72brfwBuBFKw4jOL94Y6iyBdCKtASvWnJnK/M5woibqT/nZ31CYzi1gJ3fxn600+CVOlO4dRhR5zKlpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:28.139136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005828
observed 84892bc2bd35ddb64f52e787eb52dae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.123341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005828/manifest.json
observed 054aff40dddff01cb4c72c95317eb7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.996564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005828/publication.md
observed a65c2f57eef6735eff4dd4df6f7f250b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.982900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005828/publication.txt
observed 9f66165f562f9b46c4538b1a66d8a681...
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.