OpenTechnical

OT-2026-000006631

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, three stage ejector, vented before set down

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-2026-000006631) never changes.

Identity and time

Publication numberOT-2026-000006631 · never reused
Internal UUID01a0a961-fa18-7a8e-b597-e3b43c820607 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:45.659330Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006631
StatusPUBLIC

Content hashes

Canonical text395eda9584cc4b8d0ce537f922a67d6396eb8f74424048ee489dd63d903bff06
Markdownbaffcbb78a4f147ad381f2f1949089b42d25c0ba67ef49b5a3eecbbf610806da
PDF
Publication pagec2cda43b1c9fc27f7d6e2a17c2d5edf8de12ebeccdbb65d53234e37d9fa79c84
Manifest6597bc07fff9f665e940e68ebaa8b2568ded213d5c44d0fea1e857bf924b0d77

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
SignatureAlt/mB1dJF+6J+tvpoTq1nzQx9RYFKDx0FOYFWSZNVY++hjn68lO0FThRx6DaMckjtZCnQabHPXhfUIdI49ZAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:23.234680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006631
observed c2cda43b1c9fc27f7d6e2a17c2d5edf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.222217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006631/manifest.json
observed 6597bc07fff9f665e940e68ebaa8b256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.210779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006631/publication.md
observed baffcbb78a4f147ad381f2f1949089b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.197618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006631/publication.txt
observed 395eda9584cc4b8d0ce537f922a67d63...
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.