OpenTechnical

OT-2026-000086167

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086167) never changes.

Identity and time

Publication numberOT-2026-000086167 · never reused
Internal UUID01a0ae99-e82c-78c9-b30b-bcd767c858c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086167
StatusPUBLIC

Content hashes

Canonical text8a628f9e5f33e1da8d5f8aa507c014bc2d41553a32f78d27380005f8888d5555
Markdown39b4ff384c2a52a03323abdca70070881b0c7cc732ce658e44544034983f3889
PDF
Publication page0f8b2dfa8fe29a72826d3dd559670ba8568e1a506a31ebe9a07e554374cad16d
Manifest0001154be72f51269431192b6fbe9eb47e83ba27e895878f4f9d2a7cd26dccec

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
SignatureYaJMoJzAX2O4Mg2KmBveBr7ZqHu57mGZ4m99/ITFL+Eez5wonjEjPnjH8Y99vMrSYs6w5EC+bBqbeGom27voBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:50.480813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086167
observed 0f8b2dfa8fe29a72826d3dd559670ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.463770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086167/manifest.json
observed 0001154be72f51269431192b6fbe9eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.446009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086167/publication.md
observed 39b4ff384c2a52a03323abdca7007088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.429467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086167/publication.txt
observed 8a628f9e5f33e1da8d5f8aa507c014bc...
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.