OpenTechnical

OT-2026-000006077

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, pulsed blow off after 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-2026-000006077) never changes.

Identity and time

Publication numberOT-2026-000006077 · never reused
Internal UUID01a0a94e-923a-75be-b8c9-d61e5402c203 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:33.884512Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006077
StatusPUBLIC

Content hashes

Canonical text017060594bb99126af429b141ab3a41940dadb783629ea7e832e639a74edd59c
Markdown5881cb7956037782ff672b98a9ef634706a4fe41866342a54266b984ae7eec8b
PDF
Publication pagefd8d619327b9da2f1bdac2bba3bf740844c3bd3ad7bdcb0a192fe9b0f6e81c2c
Manifest01c0d56f1e9c5f6a15779394346a835ae9e4893ccd59fe1b40cff90a0da55e8f

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
SignatureFEQjVeQ54ZAIoLbDQhaW570vg9S51EIe9hoT7XUrYbXPPGefwQhm5/F/RWwJIHaE9wc6IxfN82QZc9hIAO9uBA==
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

2026-09-16T08:30:30.146661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006077
observed fd8d619327b9da2f1bdac2bba3bf7408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.131910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006077/manifest.json
observed 01c0d56f1e9c5f6a15779394346a835a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.991339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006077/publication.md
observed 5881cb7956037782ff672b98a9ef6347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.976454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006077/publication.txt
observed 017060594bb99126af429b141ab3a419...
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.