OpenTechnical

OT-2026-000028704

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000028704) never changes.

Identity and time

Publication numberOT-2026-000028704 · never reused
Internal UUID01a0ae72-e2f9-7f30-a2ba-87e7b0208e42 · 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-2026-000028704
StatusPUBLIC

Content hashes

Canonical textbaeac52d6aa9ff912a04cf84298698b39a4afa8c9a1a888f444281613c4b892a
Markdown575d92cd4070e91e43b1d443da07574196596867794b6c744c0547c6d4cdaac8
PDF
Publication page85c5526a225b9f34550c8c183b360feacc8084639948b82cdcd2ef8d83cba980
Manifest6ea56184f3096e3b3259877807e6812912c245a1ac1815831d9dc792a643a141

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
SignaturezPLoJ/t5hJEspqj4lKxSZSFzfOMtI6L4cwPMY8Im/lkXXVnjxA+O14lHXy2liA4dg0vNj2PWeh0TYskps1mnCg==
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

2026-09-17T11:41:42.278195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028704
observed 85c5526a225b9f34550c8c183b360fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:42.255452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028704/manifest.json
observed 6ea56184f3096e3b3259877807e68129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:42.233714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028704/publication.md
observed 575d92cd4070e91e43b1d443da075741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:42.212124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028704/publication.txt
observed baeac52d6aa9ff912a04cf84298698b3...
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.