OpenTechnical

OT-2026-000030153

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000030153) never changes.

Identity and time

Publication numberOT-2026-000030153 · never reused
Internal UUID01a0ae73-e500-7c88-b917-28972ce230d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030153
StatusPUBLIC

Content hashes

Canonical text374742a062e64387a0ee364cf64a9e6beabd6dfaf09fe4d145f25062fddd561f
Markdownb81ed38d8938d724f14b2981cead68a2b88b6c9eaf4f84d4bb5979f888f09c8a
PDF
Publication pagebc6e3a65faba994e26a92715240bdd775dd8af170687c00901947c881ae368d3
Manifestfb7744488123df97a69d23b94637fcbb585a742d234774bac17643e2f1607228

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
SignaturehswGe7d8LBRH0NeuN6cMqdPUt08+eY9RK/FrhE2YK8kEa6z/WB6FUW+YHkZb3TwSRwa8XBkLZJMxNZHS9io0Dw==
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

2026-09-17T11:40:23.978266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153
observed bc6e3a65faba994e26a92715240bdd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.946365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153/manifest.json
observed fb7744488123df97a69d23b94637fcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.923317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153/publication.md
observed b81ed38d8938d724f14b2981cead68a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.904343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153/publication.txt
observed 374742a062e64387a0ee364cf64a9e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.896831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153
observed bc6e3a65faba994e26a92715240bdd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.880314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153/manifest.json
observed fb7744488123df97a69d23b94637fcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.859339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153/publication.md
observed b81ed38d8938d724f14b2981cead68a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.842153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030153/publication.txt
observed 374742a062e64387a0ee364cf64a9e6b...
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.