OpenTechnical

OT-2026-000083308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083308) never changes.

Identity and time

Publication numberOT-2026-000083308 · never reused
Internal UUID01a0ae97-c963-75b3-abc5-5f719335cdab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083308
StatusPUBLIC

Content hashes

Canonical text4c14b6a88d3c385311588b3ccc1f66ca83e56840d054193446620bdd1e72b3ca
Markdowna1f015482195ff649fecd6a3311139cb2cc07fcde58cb3408b7a924996633503
PDF
Publication page714e5b5b71719859ffdc4e69f0082003b2bb0e14761db03a7e6baaa63d682d31
Manifestbd0a01d1152529984eff7aff08686cd8dc9e0bf6b7647004828b6979cd5c50b0

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
Signature2pFHt/vOjjgWtnApxpxub7hAPyynGsw8fC/c9u/xj1UvmgnvZULpmwKDO6kbm9Z6zwBhEsXkiUQAmLZ1UyT4AQ==
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

2026-09-17T10:00:33.818215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308
observed 714e5b5b71719859ffdc4e69f0082003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.798695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308/manifest.json
observed bd0a01d1152529984eff7aff08686cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.775120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308/publication.md
observed a1f015482195ff649fecd6a3311139cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.754248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308/publication.txt
observed 4c14b6a88d3c385311588b3ccc1f66ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.092264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308
observed 714e5b5b71719859ffdc4e69f0082003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.076750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308/manifest.json
observed bd0a01d1152529984eff7aff08686cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.061139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308/publication.md
observed a1f015482195ff649fecd6a3311139cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.046762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083308/publication.txt
observed 4c14b6a88d3c385311588b3ccc1f66ca...
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.