OpenTechnical

OT-2026-000050389

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000050389) never changes.

Identity and time

Publication numberOT-2026-000050389 · never reused
Internal UUID01a0ae82-5c47-7ba0-a5da-eb8bb80fa73d · 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-2026-000050389
StatusPUBLIC

Content hashes

Canonical text8f3d364824393454ca66ff9cb590f81c5fef14cf9cfdfb02221d063c3f7cdafd
Markdownc16a4f9ea0ff8c2147cc6a107f90231273f3cad4f6c7abced00ec6bf7a70d574
PDF
Publication page7d34004365df7b7e8bb90c1dddf8588eb1bd104b256c8552a068a19bf9d1d6c2
Manifest032e05dcc7c16b898d6261e9bad4d47813bb44386732787c47928bb419a3008c

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
SignatureFxSF4laJdrX489RhqKjCARZpjkppzvznnwYaGKt4qx2Y3iIrn5B+Zjf0VIJgnLZQcbU2OzMYzHzGotME31MNCA==
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

2026-09-17T11:01:25.629366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050389
observed 7d34004365df7b7e8bb90c1dddf8588e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.611958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050389/manifest.json
observed 032e05dcc7c16b898d6261e9bad4d478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.594931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050389/publication.md
observed c16a4f9ea0ff8c2147cc6a107f902312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.578425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050389/publication.txt
observed 8f3d364824393454ca66ff9cb590f81c...
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.