OpenTechnical

OT-2026-000041873

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000041873) never changes.

Identity and time

Publication numberOT-2026-000041873 · never reused
Internal UUID01a0ae79-e8a5-79a9-9594-2541d926f9e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041873
StatusPUBLIC

Content hashes

Canonical textbdcf962771687d53015fdf5ba58f0f63c357ba7b87a14d4acdc6f17cecabfcc3
Markdownf0db70ab391514763231d3ca0564e87b921e22f03f2ac81c21b8e2107ec7642f
PDF
Publication pagec216ae2d815b506065d6726b6d209addfaa05e418fa780dd1375380d181c02c3
Manifest8cd975aa286690e9ec9ebea05a192306f14921778ef2673cd5a9f63f1687c8b0

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
SignaturekCntEbeg/pwvTg8OXu9RzwmFmmhLBSGis+EeZ7/N5xLaZy0G9/RVtSddl13kqlF+wjG9Jl6mISR7g50WMvTIAw==
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

2026-09-17T11:16:44.797787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041873
observed c216ae2d815b506065d6726b6d209add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.781507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041873/manifest.json
observed 8cd975aa286690e9ec9ebea05a192306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.765558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041873/publication.md
observed f0db70ab391514763231d3ca0564e87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.746554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041873/publication.txt
observed bdcf962771687d53015fdf5ba58f0f63...
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.