OpenTechnical

OT-2026-000018180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018180) never changes.

Identity and time

Publication numberOT-2026-000018180 · never reused
Internal UUID01a0ae6e-b488-7272-9600-1cd821f7d70f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018180
StatusPUBLIC

Content hashes

Canonical texte9f1e435b7c03d0e83fcf209f3add89abcd6ba610b87d24b33104e885509a582
Markdown6003d9091d406f901be8018781caef2a9bda58d42ac47735338b886d998586b9
PDF
Publication page50b305b58c2b9b7b5caa57cbc2a72a6f9d51c643c9e6d47e33eee6091e29ddc0
Manifest1d16f39e82278abcc118ca6f1c0c69299d53fbfb8ea3149642b36b44786f88d3

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
SignatureIq3dk3ihla2hWRZVvS82kkrSDqSVj+Y8sPL8CayFi74yxPZdX0wMJYnqlkue8jqd3jh6YFTTJd+d2PZ0BAXIDw==
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

2026-09-17T11:59:57.347644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018180
observed 50b305b58c2b9b7b5caa57cbc2a72a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.330205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018180/manifest.json
observed 1d16f39e82278abcc118ca6f1c0c6929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.311158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018180/publication.md
observed 6003d9091d406f901be8018781caef2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.291984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018180/publication.txt
observed e9f1e435b7c03d0e83fcf209f3add89a...
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.