OpenTechnical

OT-2026-000093989

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000093989) never changes.

Identity and time

Publication numberOT-2026-000093989 · never reused
Internal UUID01a0ae9e-92c9-705b-9601-b87d851937cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093989
StatusPUBLIC

Content hashes

Canonical text56eb892a81ddf5dfdb110a03f41796b48ff56f755bfd927260a6cc38cef82473
Markdown4eab897c34ff03450bc6da5b48ae5cec77fc13d9dba9afc3007eb0996559ad43
PDF
Publication page020b7d7d787be1b4fca36755c14165436dd36f4ad135e123cc82f11c363082be
Manifesta0bc9ea3c7b89f7617db140b3e55ca9e21f7e55a2ffd25920c6684f02d103159

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
SignatureHsHlbIJwG+v5n8IQEQCz+KHCVqToFP3YQM0pqrSTKEKdORybKxTBUgBTCa2yMe4JNQS+daeC0sHAioENlzMMCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:23.629764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093989
observed 020b7d7d787be1b4fca36755c1416543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.612535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093989/manifest.json
observed a0bc9ea3c7b89f7617db140b3e55ca9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.595552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093989/publication.md
observed 4eab897c34ff03450bc6da5b48ae5cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.578745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093989/publication.txt
observed 56eb892a81ddf5dfdb110a03f41796b4...
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.