OpenTechnical

OT-2026-000018823

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000018823) never changes.

Identity and time

Publication numberOT-2026-000018823 · never reused
Internal UUID01a0ae6e-d521-7e2d-a4e6-5c6fe93f4986 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018823
StatusPUBLIC

Content hashes

Canonical text0075df3298467767a9f50a95374cbc4c663738e10d3bf2afb3c8a4f07a534849
Markdownc1bddbbef9288c346f2da9ac3bcd6e49c16c6da2700d731be247fcf0d019eabb
PDF
Publication page215ffab2ab0ac4ff037a258214e75bb024ae37453e051469625cbbfc8bcf4c15
Manifestda190f2bd176bb1da9765086fe4a34a305928a8279e10183a5509df64aaffd1f

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
SignatureQTjDbvnmmL8ivfTLsdwJ2H2/Lwv8zetEDAB6J+IzPHc7FV2fcnxFPskz6jp+FtbJUWbsY44NUAiKRNrGSTmRAA==
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

2026-09-17T11:59:27.420775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018823
observed 215ffab2ab0ac4ff037a258214e75bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.400999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018823/manifest.json
observed da190f2bd176bb1da9765086fe4a34a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.382448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018823/publication.md
observed c1bddbbef9288c346f2da9ac3bcd6e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.363262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018823/publication.txt
observed 0075df3298467767a9f50a95374cbc4c...
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.