OpenTechnical

OT-2026-000075091

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000075091) never changes.

Identity and time

Publication numberOT-2026-000075091 · never reused
Internal UUID01a0ae93-ac2e-722f-9645-3d897dd91ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075091
StatusPUBLIC

Content hashes

Canonical text6fa992b1bdf6c356405896abd478d9706d3e9470ad804ee28e37f3b343297482
Markdown6006d75c45f91589f6ef25d1ee371c3a829161ab47636b936bd46d40db6f58aa
PDF
Publication page0ea43dac9f1eafc8e5a4e4e8ecda6fcde88da636f13ba7526fbd5b6f7f4e6a3d
Manifest8523c97af555725ad469309a64d5964f01e4b9031ad780613def6f459592bd61

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
SignatureSlz0V2NgQa0Fr77a3iAofYQ2IJwggL7uj6rSW2YLs/ClQY/RlnIgr+rUZgOAg7FyYwj+OhDbSIBtVGbeYBVgDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:54.851658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075091
observed 0ea43dac9f1eafc8e5a4e4e8ecda6fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.832813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075091/manifest.json
observed 8523c97af555725ad469309a64d5964f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.815002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075091/publication.md
observed 6006d75c45f91589f6ef25d1ee371c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.797739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075091/publication.txt
observed 6fa992b1bdf6c356405896abd478d970...
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.