OpenTechnical

OT-2026-000078133

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078133) never changes.

Identity and time

Publication numberOT-2026-000078133 · never reused
Internal UUID01a0ae95-6e8c-770e-bb3b-ced782f7df40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078133
StatusPUBLIC

Content hashes

Canonical text0d69b49e1e701f74155efcc1eea50fea536ff0f4b50874d1029e7a9b30f36c22
Markdownfe767e4de213922ab5a8b0bdc1a957297eed9b06c08221f564c90d40bb588b39
PDF
Publication page95a18d58c884cf12712cbae8f05f4ddc2c6ebbbaecedc00e15c4afb9649bd57f
Manifest0139060cbfcf6fd981802d2c3f6d15443537f1c3e998896a9e4b17eaffaf3509

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
Signatureb1SwsnvPBgkFbIz123L43qyYLKixFJRLSuo8dNPQJyxIqwsEx23IYso7KNnnZM8Dn8S2HdbNIpjb4OScx+RnBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:50.669874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078133
observed 95a18d58c884cf12712cbae8f05f4ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.650909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078133/manifest.json
observed 0139060cbfcf6fd981802d2c3f6d1544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.621472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078133/publication.md
observed fe767e4de213922ab5a8b0bdc1a95729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.601855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078133/publication.txt
observed 0d69b49e1e701f74155efcc1eea50fea...
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.