OpenTechnical

OT-2026-000029605

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000029605) never changes.

Identity and time

Publication numberOT-2026-000029605 · never reused
Internal UUID01a0ae73-5e22-7b49-89c8-b296aa8eca97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029605
StatusPUBLIC

Content hashes

Canonical text931c16503a569000681e0b2d14c8cb98a062b9698cdb3859c3354c153c71cdf7
Markdownce7b3e880dc73ea103d7ba84137c02f703eb5482049ccebd154eaced5a619341
PDF
Publication page65bfe1e745a8596fe2f22a2e3f1be1e3dcc78db87bf54807a4ad96440bb56dec
Manifesta2027356e96f3af1fc7ab07bc7d99b4be00b5d4c746f1c018b8ece8245b3e991

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
SignatureOqZmMJfZRyMa6EzyCA0iYmyD9vK1DW+g8p61thXOyRba1qR72TR8zWaTWgiWS6pr01SMWGGwjNXG+F+wCWLHBQ==
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

2026-09-17T11:39:18.427280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029605
observed 65bfe1e745a8596fe2f22a2e3f1be1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.408876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029605/manifest.json
observed a2027356e96f3af1fc7ab07bc7d99b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.390707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029605/publication.md
observed ce7b3e880dc73ea103d7ba84137c02f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.375393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029605/publication.txt
observed 931c16503a569000681e0b2d14c8cb98...
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.