OpenTechnical

OT-2026-000006378

Publication integrity record

Bellows cup vacuum gripper, plant vacuum fed, pressure verified, sustained blow off after 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-2026-000006378) never changes.

Identity and time

Publication numberOT-2026-000006378 · never reused
Internal UUID01a0a958-dffc-7f4a-9c4b-553a8bb9cded · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:49.151207Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006378
StatusPUBLIC

Content hashes

Canonical text8e3087364f5c761f092b5be0b2484c5a9174fd4d367b683a5047a1832ef1be03
Markdowna5eee80242bf91eb246ea2b723e679b1408cc440c5245682c9092d8c7c4ae6d4
PDF
Publication page8238fb20ec2485d6054382dea182d2d13933a689ef1d29d55310c3d3967c85da
Manifest0ace0a517492d1047f29e32a54241e1d753febe408e26a2108be33e47cf5e3ba

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
Signature0G4RYJRLloC56CVZVn4CovEsBv8iXykqLoeinhwjWwQa8vuqm9GVlbt2o2WzVTFS8CFLgm1vI0PT5cRGakQCAw==
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

2026-09-16T08:40:24.730303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006378
observed 8238fb20ec2485d6054382dea182d2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.716441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006378/manifest.json
observed 0ace0a517492d1047f29e32a54241e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.700453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006378/publication.md
observed a5eee80242bf91eb246ea2b723e679b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.687224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006378/publication.txt
observed 8e3087364f5c761f092b5be0b2484c5a...
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.