OpenTechnical

OT-2026-000081723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000081723) never changes.

Identity and time

Publication numberOT-2026-000081723 · never reused
Internal UUID01a0ae97-0f73-7a12-bc91-8e39c0ec4a70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081723
StatusPUBLIC

Content hashes

Canonical textf252d2a50299e1e9947636e100716b8aad2bd3dd78257fb7178529ba488de792
Markdown1842a65fe1dd90e99ec3fa51924fdff29cbb85ef379933022ac1ab3d436f04ec
PDF
Publication pagebb36b4dc3e4393cb3a0b9fb0b44b1ac7576fb0f0ed740729daff0618a1ea81f0
Manifest1da9117735348f1cadc353deb870602725db3b8ac181fd3bc39fb553afa931ba

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
SignatureiaBP+smFOvX24vHzPGU95MR4s5wh5COw4k7pw9u6qusu6eI/VNiFmnW2GLRc1yY5epBDnhnzLCJM1tnjTfaBBQ==
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

2026-09-17T09:59:48.006392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081723
observed bb36b4dc3e4393cb3a0b9fb0b44b1ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.987958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081723/manifest.json
observed 1da9117735348f1cadc353deb8706027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.967806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081723/publication.md
observed 1842a65fe1dd90e99ec3fa51924fdff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.947248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081723/publication.txt
observed f252d2a50299e1e9947636e100716b8a...
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.