OpenTechnical

OT-2026-000084365

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000084365) never changes.

Identity and time

Publication numberOT-2026-000084365 · never reused
Internal UUID01a0ae98-5b62-7e0f-b13a-add2bc3acc2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084365
StatusPUBLIC

Content hashes

Canonical text6c03e36cb949d265c59c1a1ebab825613b967511ef5c69cb42f58775e05504ab
Markdowneba6cfc9f726b9d115452a5b92f2e668b63c0fb4cc73100837d690e739c37ba2
PDF
Publication page3d326466f5a86ff91945aa1adc5bc48bfc4ce995d80b40b559ee59aebdceefdd
Manifestdadda7e9d04d82a222d1780797dd2022138d082c9e5945fc0ea6fab4c7196032

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
SignaturexJYFrn61Q8izKARJ9HpJ0BQ5BurR7T7eF/DS2HUr8a/2YJ2prNzqEsss+nmHxkFtrQd0PPolpRT58vqmEF4pDg==
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

2026-09-17T09:56:18.060499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084365
observed 3d326466f5a86ff91945aa1adc5bc48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.044063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084365/manifest.json
observed dadda7e9d04d82a222d1780797dd2022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.027092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084365/publication.md
observed eba6cfc9f726b9d115452a5b92f2e668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.008396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084365/publication.txt
observed 6c03e36cb949d265c59c1a1ebab82561...
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.