OpenTechnical

OT-2026-000029924

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000029924) never changes.

Identity and time

Publication numberOT-2026-000029924 · never reused
Internal UUID01a0ae73-ac48-7471-9a4f-4a0bddd4046f · 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-2026-000029924
StatusPUBLIC

Content hashes

Canonical text107602fddd71260b9c7c80ad95cce74b52fa7e011bc920cee7ec0cb8551c87df
Markdown4bbf7a6e2b72a1cf42f68baf261ec8c355c9b14b4991d656ddcafa4aa0c03274
PDF
Publication page2edf28439a7434fd2ffeeefac46b2b7bf61773c4c1fd1ac15feedf987c6b67f4
Manifestd58e10e7955c53931fcbfdf0894d4beb786011a2478faa104df490d3c14afaa4

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
SignatureLkwSW44zbYjL/4YaOeyHgRq4S+VZiK4R1BbqfEleEm0EJeuXtEsgjlyc+lkBDjUpB8BHlUS4XiYNQHMS9+2PAA==
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

2026-09-17T11:38:37.949548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029924
observed 2edf28439a7434fd2ffeeefac46b2b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.933393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029924/manifest.json
observed d58e10e7955c53931fcbfdf0894d4beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.915361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029924/publication.md
observed 4bbf7a6e2b72a1cf42f68baf261ec8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.898127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029924/publication.txt
observed 107602fddd71260b9c7c80ad95cce74b...
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.