OpenTechnical

OT-2026-000079853

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before set-down

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-2026-000079853) never changes.

Identity and time

Publication numberOT-2026-000079853 · never reused
Internal UUID01a0ae96-4376-7bd5-a922-bfacb352463d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079853
StatusPUBLIC

Content hashes

Canonical text23f1ad2e30a721ba1f98a15f5a5ed9bf55858d72203e0c4752622436563041b6
Markdown15f42965403e1c37aada652b803219816bae9c37302832afd7fe62a23cb87c44
PDF
Publication page7547e0b73c59a961c38dd24b16bd5a99603258c35f8c64bcf6f27d2fe347810a
Manifeste24abe49e279822041e51f73eb19e4f9aca299f8e8f93ae5a77b2507eca99106

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
SignatureTLTpMUV+p4A8EEeYmPDp6/LjuJilEqVDyZLBq08mcp53KQValdp4tSDAtWlVqUh8RufYgUzR18HaPSCOnDtzCA==
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

2026-09-17T10:03:44.588780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079853
observed 7547e0b73c59a961c38dd24b16bd5a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.571663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079853/manifest.json
observed e24abe49e279822041e51f73eb19e4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.551026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079853/publication.md
observed 15f42965403e1c37aada652b80321981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.530959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079853/publication.txt
observed 23f1ad2e30a721ba1f98a15f5a5ed9bf...
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.