OpenTechnical

OT-2026-000022404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000022404) never changes.

Identity and time

Publication numberOT-2026-000022404 · never reused
Internal UUID01a0ae6f-f4fd-7047-8099-fa2cb1203e99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022404
StatusPUBLIC

Content hashes

Canonical texta008f6a576d4b4cd657f1b07f9288671f77e35fabb1816c310d0dec5915b5f55
Markdowned70ea413511a3980b1b3d831ee82d5bf89277934491b912b752d6a2020d6102
PDF
Publication pageb37cd6c7a2304dc7bbc6062386d9def65909f12b7b654514de9a02ddab5c6e2c
Manifest74fe31897bce01b9c2b6d62d75f833c4aab881f51b7888f9884505a979f7ca26

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
SignatureZRuSHg1ivlWs6Y6Wcjho8akWJQMANzl8lfExKuYVWIgQj694UqEkTummPZa8EDdFEVX/1x6/uuxqI65+Vds9BA==
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

2026-09-17T11:53:47.284885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022404
observed b37cd6c7a2304dc7bbc6062386d9def6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.269702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022404/manifest.json
observed 74fe31897bce01b9c2b6d62d75f833c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.252497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022404/publication.md
observed ed70ea413511a3980b1b3d831ee82d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.235684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022404/publication.txt
observed a008f6a576d4b4cd657f1b07f9288671...
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.