OpenTechnical

OT-2026-000025408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000025408) never changes.

Identity and time

Publication numberOT-2026-000025408 · never reused
Internal UUID01a0ae71-5fa7-740d-8b97-3e4c7dfd78ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025408
StatusPUBLIC

Content hashes

Canonical text2970a7937de6f7dff05c09b4b68c49979d0c105255c06639367d00d853b7c37f
Markdownc64d5242c3339f0cd8dd14efb505bb1769382d1c26302046fd2f00d37dc78a3c
PDF
Publication page9bc6907c3d28d84fcb55f3cc94b4e3628f85f681442d4569872c060e82baac9e
Manifest0e55bb7d836d11f3d6d6296d69f28ee904dd63d632ad4daafd079e6bbe93abae

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
SignaturexvTq3x1aqvuk0XzC+dF1Ksq8yGO0ZSQaXkZu5OAQ2S+GekrSDnZKNi3wC6wR5XKseJvotn55Hf/WT89gTAjcBA==
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

2026-09-17T11:47:28.816280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025408
observed 9bc6907c3d28d84fcb55f3cc94b4e362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.799499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025408/manifest.json
observed 0e55bb7d836d11f3d6d6296d69f28ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.777517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025408/publication.md
observed c64d5242c3339f0cd8dd14efb505bb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.759314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025408/publication.txt
observed 2970a7937de6f7dff05c09b4b68c4997...
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.