OpenTechnical

OT-2026-000030669

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000030669) never changes.

Identity and time

Publication numberOT-2026-000030669 · never reused
Internal UUID01a0ae74-3fb3-7ccc-904f-0b4b50a7edaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030669
StatusPUBLIC

Content hashes

Canonical text038977c77530bb590121695dcb3bfc22ac133888c2e2542305c1bb658440bc40
Markdown0f921b3f237e42d792ba589a0796911d1c945b4f4b0fd0dce64ea1e558c76f24
PDF
Publication page73065b9cf8d959973257c628a3faa6a1ab90677f0f1d1f5b04723d1c2bf5b2b0
Manifest6b0582b0a6de66eaa05a8c722d396f9a988ac870b2a1e16a9829502c8360ebe7

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
SignatureaKxBMTfW2K1jH5CfmP6zEtwp0YPRP9Xb8u2Lq87YDSu3STfyUnpiXiPtm2HoCwCoUG2j07VDxl7DvZfQ+l/ZBA==
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

2026-09-17T11:36:33.383383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030669
observed 73065b9cf8d959973257c628a3faa6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.363924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030669/manifest.json
observed 6b0582b0a6de66eaa05a8c722d396f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.347951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030669/publication.md
observed 0f921b3f237e42d792ba589a0796911d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.331212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030669/publication.txt
observed 038977c77530bb590121695dcb3bfc22...
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.