OpenTechnical

OT-2026-000030340

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000030340) never changes.

Identity and time

Publication numberOT-2026-000030340 · never reused
Internal UUID01a0ae73-e501-7357-8453-af07071a9c43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030340
StatusPUBLIC

Content hashes

Canonical text07c17d795b47ec04b42b46d96a02cafc55e4c69cdf05ffbc372f627b87a4730d
Markdown04a6e9ff7cc2e15f5e32d9753d881a413b1f7ee6b3a2e73a760aafb4bedcd6c5
PDF
Publication page3f8b1cfd65ce9ba5bd363fdbe26bb4b3c42b8dfbf4391335d5bebb2806af175b
Manifestbe7269b6f692c2e38c44682c5f6615556b66b1fe9789c779243375061b5164b9

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
SignatureQS+9oGFBaPZxOWGoQ1I/aCPJVIIdKnW8onWOgDJJpWsZuKe0Pgdepe5oXyxAg0poYlKelkjA5goZB9cFxbeUAQ==
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

2026-09-17T11:38:03.200512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030340
observed 3f8b1cfd65ce9ba5bd363fdbe26bb4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.181534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030340/manifest.json
observed be7269b6f692c2e38c44682c5f661555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.161771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030340/publication.md
observed 04a6e9ff7cc2e15f5e32d9753d881a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.139978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030340/publication.txt
observed 07c17d795b47ec04b42b46d96a02cafc...
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.