OpenTechnical

OT-2026-000029849

Publication integrity record

Six cup vacuum gripper, six 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-2026-000029849) never changes.

Identity and time

Publication numberOT-2026-000029849 · never reused
Internal UUID01a0ae73-ac47-716a-89f3-c9146011841e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029849
StatusPUBLIC

Content hashes

Canonical textae28f795ddaa459038ce2e1721b92c265ca8d01feb481acf8341230b0ea92567
Markdown8949de3c8d384888eb638a2b846813f965c3bd23de77c5fc6ae86c1012d3d944
PDF
Publication page9ae155e715786e05ad8bdc8515c352c1efdfd78d0f409127aafb8c79e7f8bbc2
Manifest879749660658cdea7a31795a4c2d6d3c4e49c230c3058336bee9b337c7345fc9

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
SignatureElMD2dzDcntU9JJDVAXHQ8MixQKpB1Grr2HRlLPCL3Cv5dJqk34ntdkJI5oCKAaw42job7YtV4PgeucvhfdeDQ==
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

2026-09-17T11:38:32.512505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029849
observed 9ae155e715786e05ad8bdc8515c352c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.493562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029849/manifest.json
observed 879749660658cdea7a31795a4c2d6d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.471351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029849/publication.md
observed 8949de3c8d384888eb638a2b846813f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.429993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029849/publication.txt
observed ae28f795ddaa459038ce2e1721b92c26...
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.