OpenTechnical

OT-2026-000079030

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000079030) never changes.

Identity and time

Publication numberOT-2026-000079030 · never reused
Internal UUID01a0ae95-ccbe-766d-b1c5-8aa530036003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079030
StatusPUBLIC

Content hashes

Canonical texte25863f99b1687edb9fa4b6ed70f9a82bec2511daf3c48630f69659e932770d2
Markdown09d300e752ca9bae74f8c7e3bce3262584ba2f082050dd23c1dfa98e592947aa
PDF
Publication page01d3f07689a77ea11a08420d0b059a82199ebcac603316756e105a43ce17efb6
Manifest317f5d638322b026e54c66227dd95b7b96168becce9ed08341e31d1bf856b0ed

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/EyAxhidVoFAGhR0vBHTwJLmyx6uIvc+13YA8XSaxBm5V/RVP23RgqFr9Pkb20TPkW34xJMcmQIrFTkXpbkQDw==
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

2026-09-17T10:05:52.135256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079030
observed 01d3f07689a77ea11a08420d0b059a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.112366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079030/manifest.json
observed 317f5d638322b026e54c66227dd95b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.092303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079030/publication.md
observed 09d300e752ca9bae74f8c7e3bce32625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.073096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079030/publication.txt
observed e25863f99b1687edb9fa4b6ed70f9a82...
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.