OpenTechnical

OT-2026-000080435

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained 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-2026-000080435) never changes.

Identity and time

Publication numberOT-2026-000080435 · never reused
Internal UUID01a0ae96-7e78-76a6-be03-392edab1be00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080435
StatusPUBLIC

Content hashes

Canonical textd2f1704d63f14080dc0bf76d7c109df132e9aaf4a111d141416b8e89b6b0371e
Markdown52374368ad214b8066f1e7da6eb2c3e5ea58c3d82d1e67e15c8f232e7cc77aef
PDF
Publication page1af6f441435416ab0cb4acff9470421cfa40cf9960b27e5a769e857d69e82bde
Manifest40c3433b8271fbd689c2ed7699847b955c37f670b855f805580f8de72290c710

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
Signaturetv83YNdkE5IdXNpZO46cYRiG77YCTRS6RyiTfjPBOwy0aSgkfLSuUkvnxG01w6B/wSdtjH6BfR54anZFsprlBQ==
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

2026-09-17T10:02:56.820824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080435
observed 1af6f441435416ab0cb4acff9470421c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.802716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080435/manifest.json
observed 40c3433b8271fbd689c2ed7699847b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.782282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080435/publication.md
observed 52374368ad214b8066f1e7da6eb2c3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.762940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080435/publication.txt
observed d2f1704d63f14080dc0bf76d7c109df1...
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.