OpenTechnical

OT-2026-000102055

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000102055) never changes.

Identity and time

Publication numberOT-2026-000102055 · never reused
Internal UUID01a0aea4-50f2-7a08-aca2-db4f4dccdbd3 · 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-2026-000102055
StatusPUBLIC

Content hashes

Canonical text359ad800939cad49313589de2521cdf3a0e6aaf8d65bda31fdf0f1497b583704
Markdown0cfc34aa38a1d33531d8c917b41d26ba939be52a6ec203339aff5c34c13c4e0a
PDF
Publication page42b32d2a6bef3a94d175c47037aa5ab61b773d1427aebed65ced305503dc5386
Manifestc15a9f38384a6d81ce9b9d03955935e8c5035bb72babc4768330f3e9e62c69ef

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
SignatureL7zVOJo9gr/nanUCkrEU+MAclnOh/AI94hVq+0lUUzzdHtIQr8zgdp29Epk5M/1Za3iRMTwS0FGQVZrFQ+EOBg==
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

2026-09-17T09:25:11.853698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102055
observed 42b32d2a6bef3a94d175c47037aa5ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.837342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102055/manifest.json
observed c15a9f38384a6d81ce9b9d03955935e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.819757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102055/publication.md
observed 0cfc34aa38a1d33531d8c917b41d26ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.801174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102055/publication.txt
observed 359ad800939cad49313589de2521cdf3...
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.