OpenTechnical

OT-2026-000050205

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, vented before 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-2026-000050205) never changes.

Identity and time

Publication numberOT-2026-000050205 · never reused
Internal UUID01a0ae82-5c45-7d67-a0cf-70496eadef9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050205
StatusPUBLIC

Content hashes

Canonical text825d1d9169fd9cf815fa5a1e1ad2fffe299cb95558f217b0924dfaaf2b2a28c6
Markdown70916218e8c455dec37da40905cdc1683c9ac8068ce92d7e7bdd8b45ee986b7f
PDF
Publication page0854f407adb6b9643767998165310841fc9f1d92b0384ecd0d8ebd77c1cd6d27
Manifest2a1acca527d00ea685790d44d86cca1d424a721d938a286d82e5e5e35907adaf

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
SignaturenJ8FFZ14w+8E10BUsWssGFwLiXxdYt9moEz/lnsauz62V3zGiDby2Y9tItoYchhHWrc11urgbMKpHOkXzXN0CQ==
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

2026-09-17T11:01:11.627067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050205
observed 0854f407adb6b9643767998165310841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.609463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050205/manifest.json
observed 2a1acca527d00ea685790d44d86cca1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.590791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050205/publication.md
observed 70916218e8c455dec37da40905cdc168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.573789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050205/publication.txt
observed 825d1d9169fd9cf815fa5a1e1ad2fffe...
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.