OpenTechnical

OT-2026-000049035

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049035) never changes.

Identity and time

Publication numberOT-2026-000049035 · never reused
Internal UUID01a0ae81-134d-786c-adfc-ec7297b4d6c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049035
StatusPUBLIC

Content hashes

Canonical textfc6e08c8ee83fbc8b22cc817068df59369d1c6a339f4ea44ff048e91f9c17d95
Markdown4e830ef446752dcf6ab7576e8ceb3e03238c50847e99951760c9b44eb9984a99
PDF
Publication pagea35d30d694e7565d9b339e651692b5257dbe6da343a9b0a3dd26dc4eddbf3857
Manifesta9c3218f29e141592cc52b74babab69c05d35e3a315b4baceeec050c2dc24f26

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
SignatureJGSGQKYk/CFd484ZOuu3E3lP8EO2ph4QhohVsIJetT3pw/mCELtV0d2fl7D5HXbshbZGssQlXcJF7FuUtuRMBQ==
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

2026-09-17T11:03:15.442722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049035
observed a35d30d694e7565d9b339e651692b525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.426138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049035/manifest.json
observed a9c3218f29e141592cc52b74babab69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.408474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049035/publication.md
observed 4e830ef446752dcf6ab7576e8ceb3e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.392371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049035/publication.txt
observed fc6e08c8ee83fbc8b22cc817068df593...
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.