OpenTechnical

OT-2026-000023841

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000023841) never changes.

Identity and time

Publication numberOT-2026-000023841 · never reused
Internal UUID01a0ae70-aed5-78ca-9923-e89852420cd4 · 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-2026-000023841
StatusPUBLIC

Content hashes

Canonical text95138b28324d539883d97cf9e762723953dcf6b540c5995678cd97ae9157d84c
Markdown049af164a47729a091dfe0b938d33791c9e2ee970767355c9b07981984423147
PDF
Publication page294db45bf0b1b4be88580ab9d359cefe508cc31a62b7ec6c7b802da0909f4a0c
Manifest9cbb8ce73ba424198997c0a1545470d821038c1b5d9122fa95be0a989a236611

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
Signature/N7At4exVSqYBzJz6qKm5tMz6NDCcJaOFgdqqHtWw11sJ7MN8nJsGZepDEAppN6lYUT9eTd4w61h+oeDotrWAg==
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

2026-09-17T11:50:19.987389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023841
observed 294db45bf0b1b4be88580ab9d359cefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.968867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023841/manifest.json
observed 9cbb8ce73ba424198997c0a1545470d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.950366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023841/publication.md
observed 049af164a47729a091dfe0b938d33791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.930605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023841/publication.txt
observed 95138b28324d539883d97cf9e7627239...
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.