OpenTechnical

OT-2026-000079421

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000079421) never changes.

Identity and time

Publication numberOT-2026-000079421 · never reused
Internal UUID01a0ae96-0b91-705e-b788-708d0be73d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079421
StatusPUBLIC

Content hashes

Canonical text5b81b5524db32f0b57a24099af213156805a6685ee1d30fc10cbc01b396f5293
Markdownca1c907be5acd8531c7e62336350049bcaa5e45815752ceb78f5da9b2e4e77b7
PDF
Publication pageffde2135b657d0f0b1ff40293ff0976e8711aae787144ceb2d57f2f0ab68ec11
Manifest996dd33b3617e9ec9004a80389484a5dd49c0e47018fa5e83e2421af6df26f5e

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
SignatureJdxidNCYFqaa3NdpHTRulK4DQTT3axXqR1K3zNaFsdUPlOSl1h31XVxZ0oGruzD64YPc5EVqYswhTIvUO7zMCA==
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

2026-09-17T10:05:02.800503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079421
observed ffde2135b657d0f0b1ff40293ff0976e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.783475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079421/manifest.json
observed 996dd33b3617e9ec9004a80389484a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.765696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079421/publication.md
observed ca1c907be5acd8531c7e62336350049b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.748772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079421/publication.txt
observed 5b81b5524db32f0b57a24099af213156...
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.