OpenTechnical

OT-2026-000027641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000027641) never changes.

Identity and time

Publication numberOT-2026-000027641 · never reused
Internal UUID01a0ae72-6999-75e8-9483-3f6a8e67e122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027641
StatusPUBLIC

Content hashes

Canonical text1e36cac542458edbd28f34030ce86f895d33629083977cafac0733efbca903a9
Markdown507540b665abd9d6da4d54bb5c70b09fc28927de8083ba68f93d02842487b405
PDF
Publication pagef455a85820a0ee435ac5dd25af778a734108eb92733d72ab5163017d7e77a556
Manifestb1579c1c4adcb531d24e9e98d4852398d755580601f4112e5ded3081d299b773

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
SignatureZjxx3SNbgUcJC7MMuNR7x2qygheEkO8WPNzAa73aZaiFxLL3LfLaWS+jp9cunz/F0Zq01CC+c+rEN7ZjvgyEAw==
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

2026-09-17T11:43:09.993772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027641
observed f455a85820a0ee435ac5dd25af778a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.978293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027641/manifest.json
observed b1579c1c4adcb531d24e9e98d4852398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.960844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027641/publication.md
observed 507540b665abd9d6da4d54bb5c70b09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.946094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027641/publication.txt
observed 1e36cac542458edbd28f34030ce86f89...
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.