OpenTechnical

OT-2026-000029249

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000029249) never changes.

Identity and time

Publication numberOT-2026-000029249 · never reused
Internal UUID01a0ae73-2aa1-7571-837f-2aad1074895a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029249
StatusPUBLIC

Content hashes

Canonical texte821c3b1c4883a7f394cd182a9ed0d6d89b6e56a0b6e74255fae854d605449d5
Markdown104ec5e52d1924b978306113261fec51c8208e3f44df3ba7613746d3cea8ba1d
PDF
Publication page2f4f1c0c74f506894d54fef679fc11b1f7d52fb2160c071d44fc17cc05c73873
Manifest2c1cc91b7eb06591fac896e594e6c7d1798222358b9492cac6e8cf6271905a9a

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
Signatureq/ojBjLbZYw7gVD4owh/7JFkI553f/FQDI1Skbcti4BgdGfe5IWJRGf9BgVt545do8loKdw0Jx5NWo8qOooFBA==
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

2026-09-17T11:39:52.621585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029249
observed 2f4f1c0c74f506894d54fef679fc11b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.604913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029249/manifest.json
observed 2c1cc91b7eb06591fac896e594e6c7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.587874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029249/publication.md
observed 104ec5e52d1924b978306113261fec51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.570150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029249/publication.txt
observed e821c3b1c4883a7f394cd182a9ed0d6d...
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.