OpenTechnical

OT-2026-000083995

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000083995) never changes.

Identity and time

Publication numberOT-2026-000083995 · never reused
Internal UUID01a0ae98-5b5d-7e6b-97dd-11896da696f3 · 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-2026-000083995
StatusPUBLIC

Content hashes

Canonical texta6cdf5e5a9ce861589d6fac293ef1b391b5be3a39f1d4fb951dd0e4c10d7abc0
Markdown94c4d4d436cebc46a47e191c3df23622b19e30e0b223ec678eaafe9a8c9f59bb
PDF
Publication page6ad4414f63153ee7d75440a64b721b611b589f3e34eb4e9ef2befdf31ff8839d
Manifestcbff39ed7d764c94ef8cca83157f44ecd6dac73e77d1dba22adc673161edc3ff

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
Signaturew12evhfzicb/o1LpGZZE1wW55zC/+VHjcA27i03Y+mnwWfLhvoT8gvweJo6F54hsApgi4vWA3sUwPPONGShBAg==
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

2026-09-17T09:55:42.580962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083995
observed 6ad4414f63153ee7d75440a64b721b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.563505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083995/manifest.json
observed cbff39ed7d764c94ef8cca83157f44ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.546527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083995/publication.md
observed 94c4d4d436cebc46a47e191c3df23622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.530111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083995/publication.txt
observed a6cdf5e5a9ce861589d6fac293ef1b39...
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.