OpenTechnical

OT-2026-000032176

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000032176) never changes.

Identity and time

Publication numberOT-2026-000032176 · never reused
Internal UUID01a0ae74-f7a6-7caf-9163-ef2fc61a33ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032176
StatusPUBLIC

Content hashes

Canonical textc5fe112c1ff14e50384a49e39814518e04f3d721cc8970645ff35efd22e8bed1
Markdown6ab3d6347907213ee8dee7dd7ff714173883f307d0fcd711d4611a2af5780bfb
PDF
Publication page3658eddddcd7895e8979101bf568c37c3a628de99cb3e4aefb0a294b5edb355a
Manifestdd2160f0309091932373a676e7db02d9ae78c0c1bcdc95ebc6b7a889a96b6686

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
Signature5EvJGro576tWkGqVYdydaa61T22J/ikTUr3pcXtjX8phk1USNwpArJVXHKE5McE+n4pJobIEtqcpAaOTAXuzAw==
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

2026-09-17T11:34:30.689113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032176
observed 3658eddddcd7895e8979101bf568c37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.671111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032176/manifest.json
observed dd2160f0309091932373a676e7db02d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.650588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032176/publication.md
observed 6ab3d6347907213ee8dee7dd7ff71417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.632091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032176/publication.txt
observed c5fe112c1ff14e50384a49e39814518e...
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.