OpenTechnical

OT-2026-000047528

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000047528) never changes.

Identity and time

Publication numberOT-2026-000047528 · never reused
Internal UUID01a0ae7f-3e59-7a75-b7b3-fa2fe8548fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047528
StatusPUBLIC

Content hashes

Canonical text25021233d2737a8fe92d0a45ffe3df2ba027d17584894b1592b70e6167a9bc6c
Markdown05758c201845b8ccbb1aad0b51d8dd21290701b07baa5ef12509932d3487e884
PDF
Publication page67fd7281ecfe807ff4d7d66538c75a1e8d8d54b076241d8099f432fa815ab782
Manifestce86be37766df5113642c70de02e6648a5c4bb0e3999913679836febb7d3b330

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
Signaturect/J9gjJ2SUQSy1zSaWcLe9pD7PEUEsUGC5GRXCxDV92yImqZrRImQOci76QXiXTwZynG/FzQ/fqXEtqM20/BQ==
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

2026-09-17T11:06:38.509603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047528
observed 67fd7281ecfe807ff4d7d66538c75a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:38.492016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047528/manifest.json
observed ce86be37766df5113642c70de02e6648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:38.472835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047528/publication.md
observed 05758c201845b8ccbb1aad0b51d8dd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:38.453976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047528/publication.txt
observed 25021233d2737a8fe92d0a45ffe3df2b...
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.