OpenTechnical

OT-2026-000043559

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043559) never changes.

Identity and time

Publication numberOT-2026-000043559 · never reused
Internal UUID01a0ae7b-92cf-7806-87e7-a72069fdde0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043559
StatusPUBLIC

Content hashes

Canonical texte5f8cca16719b42642d0548cb684cf5ec4a20a774ecf1152b6e95c1c896eb147
Markdown461596b75c687a6aa2a2418dd9d2e3b591b271ad31e9b25d9f4bde2a1de79ff1
PDF
Publication page33a39152a0cf639db9b0c1f8219d183cafa9b4162647c64d617cf0ddab7fb35a
Manifest1d6107d1a6bac078cc4e0fd6dd22186f4f3be34592bf867c9d7d06b418c666a7

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
SignaturevBxU/wIz7J/GtcL5NLjYNuRP7bY+iitBgo5di38tuvmLtGKQdEq26aIcahjD9SKpRz6EVAMeTGbheM6leLzrCg==
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

2026-09-17T11:12:57.018034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043559
observed 33a39152a0cf639db9b0c1f8219d183c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.994696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043559/manifest.json
observed 1d6107d1a6bac078cc4e0fd6dd22186f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.972156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043559/publication.md
observed 461596b75c687a6aa2a2418dd9d2e3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.950531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043559/publication.txt
observed e5f8cca16719b42642d0548cb684cf5e...
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.