OpenTechnical

OT-2026-000102153

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000102153) never changes.

Identity and time

Publication numberOT-2026-000102153 · never reused
Internal UUID01a0aea4-50f2-7f5f-9d47-a4aa895aec36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102153
StatusPUBLIC

Content hashes

Canonical textcfc479c02cefb2af454992cb0b0721f0d1444ee867285456b886fcb42183d66b
Markdownc57919b2dfdbe5f7cf6413f124140f285350105b15cc7a1fae149b178426b959
PDF
Publication page2ff558c9ddc47fc0635d92b4ff50e093f34fc6e01c466f8a5a7be6730f6757c8
Manifeste8ed4db106b753ae7a0b6c2381cf2b4ff9debcb832e951471336c4b9d86fb918

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
Signature6at36kxO6TgRXrHmsmQbzBZivvvKmoOjb3FcyMQrCdLXF8TsBf5z4o2Ya2PFerzfFR97n/I6U6sFjnvrOBm2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:19.180387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102153
observed 2ff558c9ddc47fc0635d92b4ff50e093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.162670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102153/manifest.json
observed e8ed4db106b753ae7a0b6c2381cf2b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.144572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102153/publication.md
observed c57919b2dfdbe5f7cf6413f124140f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.125887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102153/publication.txt
observed cfc479c02cefb2af454992cb0b0721f0...
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.