OpenTechnical

OT-2026-000030747

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030747) never changes.

Identity and time

Publication numberOT-2026-000030747 · never reused
Internal UUID01a0ae74-3fb4-7afb-93e7-afaef62b8af2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030747
StatusPUBLIC

Content hashes

Canonical text2d0ceeecf8221fb3cd5b689eeee1dd06e1b441dc2913560d41c697589947cc23
Markdown148e6477c7e87e8af1345c066985581d26d6f15b8701786cc0336eb5cbc6db4c
PDF
Publication page0c74448055cdd448de74064a597bb6858554bd7740700611deb79a1eeefec9d1
Manifestff5e4b12e89d2fc8a9d52b7bdf2e9ffc6b1aca15f1062a5e8a8cc40b1870f7d8

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
SignaturehEEbRu5tGnCqCQ9BHBev6ZjUKV0usXpwNV5uNCN5kFVO5M2SkzOSzgDBpeNivXlEH0yVZTdgGKPgVNk0QJIYDw==
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

2026-09-17T11:36:41.341710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030747
observed 0c74448055cdd448de74064a597bb685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.324084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030747/manifest.json
observed ff5e4b12e89d2fc8a9d52b7bdf2e9ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.215207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030747/publication.md
observed 148e6477c7e87e8af1345c066985581d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.197092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030747/publication.txt
observed 2d0ceeecf8221fb3cd5b689eeee1dd06...
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.