OpenTechnical

OT-2026-000042354

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042354) never changes.

Identity and time

Publication numberOT-2026-000042354 · never reused
Internal UUID01a0ae7a-5d74-75c3-ae6f-469fe2182249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042354
StatusPUBLIC

Content hashes

Canonical textc324fd68762e113333edebe0a3b79b01a2718317f46f7c70abad815c38e86516
Markdown79fc22b8ede4615d535405aebb5b044465f0ac3e7e60d83ead76a7a97a3cf116
PDF
Publication paged7c4c223bfeb72d361503942d9318eb4d743507b6a6e184589ca87590904dedf
Manifeste3ecd8d5291ee95821c80d2049c338ec8c09bac4b2c4424f86362c9466ac36ba

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
SignatureNCd3suFtQNTTRosmjiUJ6MqEWi+CljJwFPz9V4e/DE9hLYnhNGD5pY5d8rEUXAe9RCv3p/xVOEQ9JQrkB/jqAg==
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

2026-09-17T11:16:03.960779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042354
observed d7c4c223bfeb72d361503942d9318eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.938833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042354/manifest.json
observed e3ecd8d5291ee95821c80d2049c338ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.920411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042354/publication.md
observed 79fc22b8ede4615d535405aebb5b0444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.896788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042354/publication.txt
observed c324fd68762e113333edebe0a3b79b01...
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.