OpenTechnical

OT-2026-000019926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000019926) never changes.

Identity and time

Publication numberOT-2026-000019926 · never reused
Internal UUID01a0ae6f-1fb7-7e0e-8070-170751a3f050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019926
StatusPUBLIC

Content hashes

Canonical text6fbfc1278898fe267b348b34042a20c9f58ead8cc13ce5fd0a5cd617c4819db0
Markdown54eedc4190396ed872d084314de77ee89e5ce6870e2d92b7f98bed351bca2794
PDF
Publication page87ff6a5e85cc9c7b1af41d0580d88f23e37b2109c865f348ef6905768f68ced2
Manifest96787d6fb73c80f74550b879ae7d2a3e0ce86da40ba96cc1c77d6ec899b739fb

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
SignatureIl5NWJSMRrgFRwjGRx4ntDyQGb6BwnZ1zcHG5wtlMiYp+G2aWKi0NAomgzPQ5sksAdEPgPTDFiQMyG6bakbKCQ==
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

2026-09-17T11:58:08.786173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019926
observed 87ff6a5e85cc9c7b1af41d0580d88f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.766211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019926/manifest.json
observed 96787d6fb73c80f74550b879ae7d2a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.747939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019926/publication.md
observed 54eedc4190396ed872d084314de77ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.729049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019926/publication.txt
observed 6fbfc1278898fe267b348b34042a20c9...
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.