OpenTechnical

OT-2026-000045306

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000045306) never changes.

Identity and time

Publication numberOT-2026-000045306 · never reused
Internal UUID01a0ae7c-f76b-7a38-9018-863ee56c98c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045306
StatusPUBLIC

Content hashes

Canonical texta036c3a49f22acf2bef4de47f4135117555cebe19313574fe294b06da9ed368d
Markdown22317c3ed9143ef8abfbfbd55a5bcc7f9fc8855ea8cbbc639520809e3f961ef8
PDF
Publication page5cd0a39017a053ca53f43ee88ec6d0a9e389918ee4d6cc68cc5d47f9f0a8f144
Manifeste1880c84ebb39c438207d49d2018aa2dcc1cd6369cae54a1a064aa9b89c9e28e

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
SignatureAJ7os8QnNEgZy0vAvWxnE2oXFM3dtmzYxSrwYqZ5BYL5FDqGfrHxR7qFwKnVSKTH89mLTE5r8FT5tLFPgGiQBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:33.164672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045306
observed 5cd0a39017a053ca53f43ee88ec6d0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.143091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045306/manifest.json
observed e1880c84ebb39c438207d49d2018aa2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.121902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045306/publication.md
observed 22317c3ed9143ef8abfbfbd55a5bcc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.101277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045306/publication.txt
observed a036c3a49f22acf2bef4de47f4135117...
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.