OpenTechnical

OT-2026-000075519

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000075519) never changes.

Identity and time

Publication numberOT-2026-000075519 · never reused
Internal UUID01a0ae93-f202-7bf0-a933-1cac2197f3bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075519
StatusPUBLIC

Content hashes

Canonical textc3255dd6af953436f6d3d631e7034764884fe8addb225cf891c0da3887f33079
Markdownd8a119e3a18948075395fe537ed08c09b94475f64426a0e54d583a4242da2301
PDF
Publication page8eef2cb1df83d4f7a3cfa038298f0c4fac5596baf53ba338d331aa7a8d36282f
Manifest827128de20a0ffc3c226386b749460e5eb393cdabdd7f3e9a7118d8761ef446f

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
SignatureJAMadNXL5RjKDXkdreWrk280cgv2TEFehvRLkJx3o9mtOI7bF187Bt31JNNQw2KnSbPQO/PVF8iJt7EGOBPADg==
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

2026-09-17T10:17:58.552993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075519
observed 8eef2cb1df83d4f7a3cfa038298f0c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.535988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075519/manifest.json
observed 827128de20a0ffc3c226386b749460e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.518076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075519/publication.md
observed d8a119e3a18948075395fe537ed08c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.501084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075519/publication.txt
observed c3255dd6af953436f6d3d631e7034764...
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.