OpenTechnical

OT-2026-000029545

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000029545) never changes.

Identity and time

Publication numberOT-2026-000029545 · never reused
Internal UUID01a0ae73-5e21-7067-ae76-c6c9b7841fe1 · 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-2026-000029545
StatusPUBLIC

Content hashes

Canonical textff142e7cf33dca2aa0d898b4b28a1c3f61d23c661ae92d9ba0594a0cdbff85e2
Markdown2833d09ac9a516550e5c5ac1a6b65cf39af0ad8fa22a4b20fe48f747be7bdb96
PDF
Publication page1bd3d8fe68a8818c97da25d210cb9a70d1ae3032838ceff35052dc84db94cde4
Manifest471b553701132623b2f11be0c1479da3289d41d30a0eb31cc47fce0664a5ea36

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
SignatureHUr7dZs6Ya41J4Li7R5psbQ5Ez7VzXreOsEwFVjR9z0gIETWTVduHzH8GB0h1XQ4SmEukqvs4w8hR9fORziSAA==
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

2026-09-17T11:39:12.063826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029545
observed 1bd3d8fe68a8818c97da25d210cb9a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.047064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029545/manifest.json
observed 471b553701132623b2f11be0c1479da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.028262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029545/publication.md
observed 2833d09ac9a516550e5c5ac1a6b65cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.010664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029545/publication.txt
observed ff142e7cf33dca2aa0d898b4b28a1c3f...
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.