OpenTechnical

OT-2026-000024161

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000024161) never changes.

Identity and time

Publication numberOT-2026-000024161 · never reused
Internal UUID01a0ae70-e8c7-7f50-8ec5-b41a67bd5da0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024161
StatusPUBLIC

Content hashes

Canonical text15c19bdcfba5295436b99f9e972aaf38e848f0ab4bc0e25601a35248e4b2e952
Markdown29c96320facbfceed93c782c677ba2c75a74147fb59c68a1929132cb9ae32b41
PDF
Publication page5b15b7731d85c1316f23b5d4df3e5765576d0c9bbafd05ce80abeef71d5d2a6d
Manifest9a36585ab96c585d59d8b444d2580d8bb75d1de87066fd803ea9fba5ca40a1c7

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
SignaturemrpYASnNKQb5DS7sm2zhbHI15h0M8+19ItmeClF/l5d8ibvqvpjEN9n2DCN2PCirYp9DEqn5ctfltfiDzYwvDQ==
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

2026-09-17T11:48:36.602772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024161
observed 5b15b7731d85c1316f23b5d4df3e5765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:36.583499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024161/manifest.json
observed 9a36585ab96c585d59d8b444d2580d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:36.556333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024161/publication.md
observed 29c96320facbfceed93c782c677ba2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:36.535471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024161/publication.txt
observed 15c19bdcfba5295436b99f9e972aaf38...
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.