OpenTechnical

OT-2026-000030357

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000030357) never changes.

Identity and time

Publication numberOT-2026-000030357 · never reused
Internal UUID01a0ae73-e501-7cb3-9a09-1350ab5673ee · 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-2026-000030357
StatusPUBLIC

Content hashes

Canonical text4b3c01ef53e89a3d38eb14f357ee3debf020146ff0f7505f9984df41a1a1a8b9
Markdownbdc684cd21dff3c0b59c7a3ce4260bb7c177de27e9e8c4f8ea45b930ff407afa
PDF
Publication pagebf289bf0ff66b7a48af7b79b5639cdb47ff0089db1f53e85f43f6beaf919d339
Manifest464531dd1af85658b3d68543cdb1c7b70fc0f85725b474d73f012f26bf2185b2

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
Signature84leEN+xb3/hGHX2S0dUOdmWWBxGET4dy4P5r2xZ/Sx6VsK7E6qw7q62R9NEZcb+alD5KuMidDXXfmOgNE/TBQ==
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

2026-09-17T11:38:04.503313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030357
observed bf289bf0ff66b7a48af7b79b5639cdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.479218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030357/manifest.json
observed 464531dd1af85658b3d68543cdb1c7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.460020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030357/publication.md
observed bdc684cd21dff3c0b59c7a3ce4260bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.443668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030357/publication.txt
observed 4b3c01ef53e89a3d38eb14f357ee3deb...
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.