OpenTechnical

OT-2026-000028692

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off 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-2026-000028692) never changes.

Identity and time

Publication numberOT-2026-000028692 · never reused
Internal UUID01a0ae72-e2f9-72ff-94d7-b540b6b82337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028692
StatusPUBLIC

Content hashes

Canonical text3449762da3dc1a02f8517a0e5ed914440af8c54d4d73eec2b8806cdc5d464c13
Markdown2c9ed0273febb99c2a8ee1abf0077e019eb4550ceac9ce62c10ac17d74033b66
PDF
Publication page3fff93e9bcdf020866ee07e50826eee0653799a78a22527bae1751afb0c9d9f1
Manifest97138a5d21e7e8c59fdcae8de7c1f17515c652c975121b44450def2a43ff1f85

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
SignatureKbgh/JSJGCleWGEzawjbuvPeC98AohXCknG4gWJyBsdR23YDV4MEXz0Lz90AusVb4mAWRG4p8DnntCAEKiWLCw==
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

2026-09-17T11:41:41.050143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028692
observed 3fff93e9bcdf020866ee07e50826eee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.026766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028692/manifest.json
observed 97138a5d21e7e8c59fdcae8de7c1f175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.004072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028692/publication.md
observed 2c9ed0273febb99c2a8ee1abf0077e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:40.982333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028692/publication.txt
observed 3449762da3dc1a02f8517a0e5ed91444...
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.