OpenTechnical

OT-2026-000100430

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100430) never changes.

Identity and time

Publication numberOT-2026-000100430 · never reused
Internal UUID01a0aea3-66ef-7fdd-bed8-9d1d0c53e0c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100430
StatusPUBLIC

Content hashes

Canonical text104064e1909efbeecd548ef1f2c4cf4c3f0dd110edcb5423446903aaa5ecf40d
Markdown4d24d9d26e423b8c787ac6dad9eb3e0a553cfa56aca7160645ae67474cd889f3
PDF
Publication page69f1d1e01529686b8430f62187c573845f4d429905338c41a1170f5e2afe3cc9
Manifestcd7454349611b95a33731b195b89b74e44147ba165e2cd55d4e5d5b998536b1a

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
Signaturem+oA00K3tu6EVdc2nMqSfo9ln/WbCsHoFaaOKF2vdImdRkwAjxIRUAsT92+SJ+2tFx/Bu3objzCW/1b+8/8BCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:10.328496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100430
observed 69f1d1e01529686b8430f62187c57384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.311589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100430/manifest.json
observed cd7454349611b95a33731b195b89b74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.293442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100430/publication.md
observed 4d24d9d26e423b8c787ac6dad9eb3e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.276335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100430/publication.txt
observed 104064e1909efbeecd548ef1f2c4cf4c...
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.