OpenTechnical

OT-2026-000010171

Publication integrity record

Single cup vacuum gripper, pump fed, vented after 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-2026-000010171) never changes.

Identity and time

Publication numberOT-2026-000010171 · never reused
Internal UUID01a0ae6b-cb7a-7574-922a-629627d45b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010171
StatusPUBLIC

Content hashes

Canonical textcedc2cd1172c46c45dfa010a210e82f8fb7d8477d1b3b8a788273006cfcc38d8
Markdownc3b6e45d4dab8384e519d18b464bd7dda779b853dbf4a68d58e8b11fe6908aea
PDF
Publication page8a0f48c6f77786f138ec6ed9f2d3115fab6072de8a6915220eaa94fde6565968
Manifest92583f5cf6e5a5ca1378d5cf07d321e571a8baa9aa571c5ed099cd6f7558d5d0

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
Signaturenwj3X1slnRtHo6ZruyNtCh99OaFgIFbCCJZ0nqDlmk9apdTk5AsK3kNMQhEPjyV5pJx0yQz1GxCq+RpgZZ/NAg==
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

2026-09-17T12:16:16.921026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010171
observed 8a0f48c6f77786f138ec6ed9f2d3115f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.900801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010171/manifest.json
observed 92583f5cf6e5a5ca1378d5cf07d321e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.880796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010171/publication.md
observed c3b6e45d4dab8384e519d18b464bd7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.862308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010171/publication.txt
observed cedc2cd1172c46c45dfa010a210e82f8...
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.