OpenTechnical

OT-2026-000056392

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000056392) never changes.

Identity and time

Publication numberOT-2026-000056392 · never reused
Internal UUID01a0ae87-4bd2-7086-bdba-ef5c50002447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056392
StatusPUBLIC

Content hashes

Canonical text40f3e3f1cae68d815603729848940fc67ad2ff8f885faae45d2e55dae611cf35
Markdown69f8f12b9bc4d8178a84ea23823fc8614b5140ab4e5f26a3be53a2ae9250b144
PDF
Publication pagec6ed4dccb0573625a93de282476af3f9f3bc97c02d18196d60da46d793eee09a
Manifestbbaaab4a28315b8bc02b86b1c9a20a776b404bfac93d498ada676a8ebd255849

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
SignaturePMSGhoGGlaMxXr8IywGmzlKsrTW2dP1kUzZB5qYqPhB6zZ/AGMHdY+Ec0DCkZ2he9BVDBzhUhK+DpY35GPufAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:54.334489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056392
observed c6ed4dccb0573625a93de282476af3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.315935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056392/manifest.json
observed bbaaab4a28315b8bc02b86b1c9a20a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.290611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056392/publication.md
observed 69f8f12b9bc4d8178a84ea23823fc861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.262620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056392/publication.txt
observed 40f3e3f1cae68d815603729848940fc6...
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.