OpenTechnical

OT-2026-000102323

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000102323) never changes.

Identity and time

Publication numberOT-2026-000102323 · never reused
Internal UUID01a0aea4-50f4-7c78-a196-407f66350edf · 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-2026-000102323
StatusPUBLIC

Content hashes

Canonical text6c70d6955005fb2ded78d742d4d7b0b0afb6fb0c1c7b8ffc50235a599a819eba
Markdowne24790aa687c831f82a0f2bf9c339118a496ad90ba410aa2f6057e61bbf04132
PDF
Publication page11e8f0ff1e8fb17457812ddc05bd5f59d62648574d6f92a2f4687b6b76fc238a
Manifest55744888d9045243bf8dab9891b9c9800a5ff7fc34a732b8ef0617f1df0bccff

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
SignatureQr7hWV/9H036UrNHwn3OXnbOLVayEZPNhQv6+WGMk5K1zgyHymzxbhFujGzzF+ttMKv7ih+vxmKsBF3EzBW9Dw==
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

2026-09-17T09:25:31.565804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102323
observed 11e8f0ff1e8fb17457812ddc05bd5f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.546290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102323/manifest.json
observed 55744888d9045243bf8dab9891b9c980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.527326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102323/publication.md
observed e24790aa687c831f82a0f2bf9c339118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.508526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102323/publication.txt
observed 6c70d6955005fb2ded78d742d4d7b0b0...
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.