OpenTechnical

OT-2026-000023999

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000023999) never changes.

Identity and time

Publication numberOT-2026-000023999 · never reused
Internal UUID01a0ae70-aed7-73e8-82aa-838960fbb908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023999
StatusPUBLIC

Content hashes

Canonical text2b701cd36c92c7a0558e18a982b02d1e50ef9baba0b9c332560e79077b9cf1e2
Markdown0a996af61549a99379ea63bc32f619f46211b8b91f9c8aba203a947fc08c72b3
PDF
Publication pagec0e74ed3eb4ab8a1ccda58849f84636b3df52791dcb4a38075a4e30ce5e5d1fd
Manifeste155dd192bfb003cb066fa58d8b2d2149f2b0059a6fa318d9f7a5d27ea435865

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
SignatureiMAI/utPq5hBy90ChpInTAC7CNc4sGXh8ZBZ4ryO7Mfti9qOJjnBM1d1fxc70vUXPNE/qk1I0+lZuyNl+iNFBw==
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

2026-09-17T11:50:46.476384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023999
observed c0e74ed3eb4ab8a1ccda58849f84636b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.457915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023999/manifest.json
observed e155dd192bfb003cb066fa58d8b2d214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.433769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023999/publication.md
observed 0a996af61549a99379ea63bc32f619f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.401554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023999/publication.txt
observed 2b701cd36c92c7a0558e18a982b02d1e...
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.