OpenTechnical

OT-2026-000097833

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000097833) never changes.

Identity and time

Publication numberOT-2026-000097833 · never reused
Internal UUID01a0aea1-92f6-7a6a-a196-b086a47724ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097833
StatusPUBLIC

Content hashes

Canonical textbdd2e9ac5c2de1f94ceda0796b73ee1a54e7221bc85786ccc002dd2ca3dc8806
Markdown60bf6c80d91ee050052787725708a0e6431f3d6b91cd69892e6af5fa707afd67
PDF
Publication page8bb66308ca4d580318a56430a7654fa3343366611145073eeb62de7af4f893ce
Manifestbb207bf674cce044793336a3c9e71067b2fde30eb9be5713b69dd9d9a86e5800

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
SignatureOpVnpAmPE94FbbXyKuJjjfljWgWNK4BPs+E08DHx+tLA+eACWRJQ7TT0zfLn1zcp1WAJZg1zk5HNbcFsgOp9AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:55.904623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097833
observed 8bb66308ca4d580318a56430a7654fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:55.886640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097833/manifest.json
observed bb207bf674cce044793336a3c9e71067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:55.866824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097833/publication.md
observed 60bf6c80d91ee050052787725708a0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:55.846735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097833/publication.txt
observed bdd2e9ac5c2de1f94ceda0796b73ee1a...
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.