OpenTechnical

OT-2026-000042433

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042433) never changes.

Identity and time

Publication numberOT-2026-000042433 · never reused
Internal UUID01a0ae7a-5d75-750c-9da1-46b69fb064c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042433
StatusPUBLIC

Content hashes

Canonical textb5baf85a55f5d05ac9948c51263024cea612911973f52474232ed6799de9b890
Markdownc8d9138d17ae2d3016f859efc66b1ce2bfc35c21a6287a6c3f76a7226573b101
PDF
Publication page35ab9cb79740276e33d0d55d05f375849aa5ffcf638e753d7d935024e0527615
Manifest35c5ecc26c94bdeb57ca5c9ab6f9f58915aa6303efc1cbabcc6941286fd3ebdc

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
SignaturetlWe8s1t4yHQ4s2DLLK74BdNfHzOCRcV6wcJXfCjXmaPHyHUzZJHlVXT9f1lONIqYODfVHbGtBai5ljkb2DyBg==
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

2026-09-17T11:16:14.088295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042433
observed 35ab9cb79740276e33d0d55d05f37584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.068412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042433/manifest.json
observed 35c5ecc26c94bdeb57ca5c9ab6f9f589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.051493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042433/publication.md
observed c8d9138d17ae2d3016f859efc66b1ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.034997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042433/publication.txt
observed b5baf85a55f5d05ac9948c51263024ce...
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.