OpenTechnical

OT-2026-000036879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000036879) never changes.

Identity and time

Publication numberOT-2026-000036879 · never reused
Internal UUID01a0ae77-773e-7c19-9045-6550c92024a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036879
StatusPUBLIC

Content hashes

Canonical text591ab54d93949b32eb332f9e087bd5425f3bb252710256e8b34f861258435603
Markdownafcb81c367265040fd4b75373f7c3e2aa19bf5d346f3bc941a544b8bc3b3c886
PDF
Publication page5c01f7a28a9b7a3c8ddd74d12c6b53b4eff6a9d7877b91747f49dfa842533185
Manifest444e8fcd2cbc590b5217a8ddecdb861101d29911bdb0374c44bb14950496a0ee

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
SignatureLGAnF/I7tp0S09SfKpv6MjcgSdDfTIx07MqF5iQSmAu3xCS4gJt6LkmduJMZGx6D1Ha+SpSp/pZICM3gguaiCQ==
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

2026-09-17T11:24:30.822334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036879
observed 5c01f7a28a9b7a3c8ddd74d12c6b53b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.805105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036879/manifest.json
observed 444e8fcd2cbc590b5217a8ddecdb8611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.788741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036879/publication.md
observed afcb81c367265040fd4b75373f7c3e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.771715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036879/publication.txt
observed 591ab54d93949b32eb332f9e087bd542...
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.