OpenTechnical

OT-2026-000020682

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000020682) never changes.

Identity and time

Publication numberOT-2026-000020682 · never reused
Internal UUID01a0ae6f-65e2-7403-823e-74b3c41d56ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020682
StatusPUBLIC

Content hashes

Canonical text8377bc5c2cc74de3937fb3faf58b0a6c8212f4d820b7988d96e54e3638e128c9
Markdown2ced9d80386d48b21e1bca3880c59e7eb2c48ae955d7cd59b04eae2fea8cc1d1
PDF
Publication pagea9c9b4999eb6e5adf19e9c15d2534b8fdc70ae0cb84d4e4bf60c375f50642c2f
Manifestd65d69a25282c2d0098abdc7566ae58302b800ef5d8c91c85627148b3ff602e5

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
Signature5FgilEyIrMJfTaKWel+70mTPVadnHg1DolObqjlo3JxQHuRJy0ylfN6aetVkCuzKRQ8yDrTMLIY65rwWy+rhCw==
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

2026-09-17T11:55:43.271462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020682
observed a9c9b4999eb6e5adf19e9c15d2534b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:43.252536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020682/manifest.json
observed d65d69a25282c2d0098abdc7566ae583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:43.231467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020682/publication.md
observed 2ced9d80386d48b21e1bca3880c59e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:43.208744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020682/publication.txt
observed 8377bc5c2cc74de3937fb3faf58b0a6c...
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.