OpenTechnical

OT-2026-000044529

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044529) never changes.

Identity and time

Publication numberOT-2026-000044529 · never reused
Internal UUID01a0ae7c-39d8-7639-a2e9-9fb8c60706e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044529
StatusPUBLIC

Content hashes

Canonical textd97b8ea4e36f7dddfa5d2f32fc67fd05eff2d2a81b54f768de55625408368740
Markdown30837732665d24144858227d677e50953d9f7f7df211d3d4a1a5e95b3f401042
PDF
Publication page8a6b5247c604f154a9fec8a09bf8ba5cec092cbfe1c68dd4f9ee79c462a5ae5e
Manifest709e0208579438ad36eb97c8ed5472bc5968163e10218089257027bb7f48ab31

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
SignaturefqzVT/oznSelTeMUQxp/UBlWkFLlYIAMAfn03SLWDqb4+itZLKKvK6UifNjG4idDlTbUxS3A3NgvFB14kgKDAw==
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

2026-09-17T08:31:04.755405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044529
observed 8a6b5247c604f154a9fec8a09bf8ba5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.571031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044529/manifest.json
observed 709e0208579438ad36eb97c8ed5472bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.551949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044529/publication.md
observed 30837732665d24144858227d677e5095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.531324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044529/publication.txt
observed d97b8ea4e36f7dddfa5d2f32fc67fd05...
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.