OpenTechnical

OT-2026-000053428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053428) never changes.

Identity and time

Publication numberOT-2026-000053428 · never reused
Internal UUID01a0ae85-0a8f-7e62-afd9-11e5c44fc948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053428
StatusPUBLIC

Content hashes

Canonical text8d39934b855b303e51109ff71886d319a40153eed6130a2ac471f12c8f9af3f5
Markdownf9e877b3343272fa85fa6b0a5f798c09a4993e93756ae11b25d13c9501eb4255
PDF
Publication page28e5592436c6ffc3004d6bb1a0203487f197c344ad6335b246a2bd4ba90c502a
Manifestfd4034ad1fd99fb5043bdf963c7d1a520f9214725a89f1915575d88cf4866210

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
SignatureyDLPNCPxat5TUSfvtcqGuXHfD4OqO7cJINAUs9NjMb/dzUa64H0Saq1CoUN5P0DGEvL6zixTYGrF0J/D/sPlDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:09.926518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053428
observed 28e5592436c6ffc3004d6bb1a0203487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:09.908005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053428/manifest.json
observed fd4034ad1fd99fb5043bdf963c7d1a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:09.888763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053428/publication.md
observed f9e877b3343272fa85fa6b0a5f798c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:09.868127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053428/publication.txt
observed 8d39934b855b303e51109ff71886d319...
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.