OpenTechnical

OT-2026-000075935

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075935) never changes.

Identity and time

Publication numberOT-2026-000075935 · never reused
Internal UUID01a0ae94-29ff-78c7-b8a0-c484a42991d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075935
StatusPUBLIC

Content hashes

Canonical text89aa57a9318f1cb575b1165b519e5fb3ecf10cb1c6550d1a41733f0bf986723c
Markdownf43accfeec92d3e41437363cc2bf3c1d2847102ac640dc342438adf708bb6205
PDF
Publication pageea89e2838d4fbb69ea618a7b96715c89e53719baa2527c29f261945ce1b61680
Manifestbe87c938362e03ee800f1fbbdb1e23e9f1a28b38f120dc56cc85822943ad5fd3

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
SignaturecSFNRa1Lr3ldQAML+vg78gw2wAwryc+N/f/8pswKD+mLIeZMHUAXg0EiG9/PKB1proiKnau1rTYG0m7umnW9CQ==
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

2026-09-17T10:20:03.007095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935
observed ea89e2838d4fbb69ea618a7b96715c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.989016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935/manifest.json
observed be87c938362e03ee800f1fbbdb1e23e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.965374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935/publication.md
observed f43accfeec92d3e41437363cc2bf3c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.942868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935/publication.txt
observed 89aa57a9318f1cb575b1165b519e5fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.003680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935
observed ea89e2838d4fbb69ea618a7b96715c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.985267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935/manifest.json
observed be87c938362e03ee800f1fbbdb1e23e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.967253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935/publication.md
observed f43accfeec92d3e41437363cc2bf3c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.949027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075935/publication.txt
observed 89aa57a9318f1cb575b1165b519e5fb3...
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.