OpenTechnical

OT-2026-000034061

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000034061) never changes.

Identity and time

Publication numberOT-2026-000034061 · never reused
Internal UUID01a0ae75-df0c-7abe-83b4-4e41a0599f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034061
StatusPUBLIC

Content hashes

Canonical texte4a0006eff1a2a4c2e67a3f00647d7b99bd2827fc9b7943b1c3f958b6d41b37c
Markdowncbc3340992619fdebe1736d53cc9b1c6ffbd6e1d0e9bb37220af5c74f6e93d6b
PDF
Publication page0fa7050a758496587cd9b2dd8ebaae0eaf96b1cb4836380eca32ad5834614d73
Manifestd191bc2919bc814945a6dcf2fcca770718f9e9654a272fc53e62929ccd19ef84

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
SignatureKo3hFKPNjIEV30bO2AxH08ZH72BoH57YuOMDupDIgN94Mf0P+W+kCEwl4vyS0cd21BRC6n4i/BME0CjN4j2zAw==
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

2026-09-17T11:30:18.289267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034061
observed 0fa7050a758496587cd9b2dd8ebaae0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.270691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034061/manifest.json
observed d191bc2919bc814945a6dcf2fcca7707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.253619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034061/publication.md
observed cbc3340992619fdebe1736d53cc9b1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.235586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034061/publication.txt
observed e4a0006eff1a2a4c2e67a3f00647d7b9...
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.