OpenTechnical

OT-2026-000028046

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000028046) never changes.

Identity and time

Publication numberOT-2026-000028046 · never reused
Internal UUID01a0ae72-a51f-7ab8-9805-59f0792cc9ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028046
StatusPUBLIC

Content hashes

Canonical text937cb9df9cc30130905436de97f30fc7d9a6418e2a2e2ac4be478664b174848a
Markdowne82c82b784d23be91072df90c800785e49be9b06d3c4783e38602cf4c2e17df4
PDF
Publication pagec4518d99edfb932c7ca13b44c7f2022028e99328f72f65cf10777db5d64b9f11
Manifestc861149d05f42299bd415ec322aacb414d8648b93c06ce683a894cdc76189fbf

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
SignatureYu/wXgGKXiiKMUudtke/Gk8LzQsAFk9R1dqnoQdNXfQKVJEiyyA1Yrt+gQUxfbPD4gSMYbOHXFfRb/FoQpqkAA==
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

2026-09-17T11:42:22.611007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028046
observed c4518d99edfb932c7ca13b44c7f20220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:22.593732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028046/manifest.json
observed c861149d05f42299bd415ec322aacb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:22.576700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028046/publication.md
observed e82c82b784d23be91072df90c800785e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:22.560128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028046/publication.txt
observed 937cb9df9cc30130905436de97f30fc7...
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.