OpenTechnical

OT-2026-000023225

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000023225) never changes.

Identity and time

Publication numberOT-2026-000023225 · never reused
Internal UUID01a0ae70-7267-7884-88ec-a8e1650ba91e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023225
StatusPUBLIC

Content hashes

Canonical text33c9a32fff2a5ed029e67909dc674f28a5b4ff2a541b290cf6098ce8b173c0eb
Markdownf41c834cd489668ca39dbb9c0ad818b43468a7b8667c8c507e4a606103013029
PDF
Publication page5f9f099af2a1cf6e1369028849e6f8a256fb382918822035fe328d7510dc0cc4
Manifest72e11507c7e493352f48b1ff4cb14e9db2ff727d760886066855c7ec7063c95a

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
SignaturegjeGVAPUDZrjckJSmt2QL/e98jvmejxC4iHNC4EldTYjPcA4sLwh5xJVVGR2uq/BB8RvFS2K0RJcWaFJ7/DNBw==
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

2026-09-17T11:51:16.961164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023225
observed 5f9f099af2a1cf6e1369028849e6f8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.942020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023225/manifest.json
observed 72e11507c7e493352f48b1ff4cb14e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.924035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023225/publication.md
observed f41c834cd489668ca39dbb9c0ad818b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.901566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023225/publication.txt
observed 33c9a32fff2a5ed029e67909dc674f28...
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.