OpenTechnical

OT-2026-000085575

Publication integrity record

Two cup vacuum gripper, two zone face, single 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-2026-000085575) never changes.

Identity and time

Publication numberOT-2026-000085575 · never reused
Internal UUID01a0ae99-aaac-74be-b450-bf1d6f31c1c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085575
StatusPUBLIC

Content hashes

Canonical textb5e201c9c15742c0efebf3d54ca35c22ed4da2a8523cf2a3180b44d3d08117c8
Markdown5b44cd0bd8a11437860e78a570a638fc8c096aea184189a43a81afe410fadd0b
PDF
Publication page093eb944506f1354e72f71fb5a2119b1d07e2f0480bd6fba37dbfc86114ff4a4
Manifest62eb4637eae3721b2055aab518766263c02ac539b3c7318f65dbd0e2acf70e0a

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
Signatureut8LjPtGwMqQ/CdiBz/FeCKdq4HtnemCFKX9u/bOElDyJC5MDjUrS1cROn2BscFKNcHE7NKGwJMo7LYxCVvtAw==
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

2026-09-17T09:54:26.634522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085575
observed 093eb944506f1354e72f71fb5a2119b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.614668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085575/manifest.json
observed 62eb4637eae3721b2055aab518766263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.594457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085575/publication.md
observed 5b44cd0bd8a11437860e78a570a638fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.576557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085575/publication.txt
observed b5e201c9c15742c0efebf3d54ca35c22...
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.