OpenTechnical

OT-2026-000012417

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000012417) never changes.

Identity and time

Publication numberOT-2026-000012417 · never reused
Internal UUID01a0ae6d-39f6-71e5-b4b3-a5e839096fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012417
StatusPUBLIC

Content hashes

Canonical text2377648e92c9e8c23eac7e7613cec64aff46e39631c7f7c2631e12c756a3a106
Markdown16f6a1447f2a7f121c2c480fbd46034378f543a1123736ae283f67f9bf2d3eb3
PDF
Publication pageef5a7de21dbaa1ae727ea10d9f63c41f595a6a47e587cc03336602223f5c8c9b
Manifestfa2abaa5d2f703abf4951171dfeb803b7a76e4b5f2be4c52eed724552cb52cfb

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
SignatureZTuhXDB293WP5GY2lD+K8hCAR2LzvjWk1TFx9pLIFs727KyDvOKtr2k+RT0/CDJQn1EG6+AXkXzjK2P01K84Cw==
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

2026-09-17T12:11:54.754208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012417
observed ef5a7de21dbaa1ae727ea10d9f63c41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.737277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012417/manifest.json
observed fa2abaa5d2f703abf4951171dfeb803b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.721358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012417/publication.md
observed 16f6a1447f2a7f121c2c480fbd460343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.703398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012417/publication.txt
observed 2377648e92c9e8c23eac7e7613cec64a...
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.