OpenTechnical

OT-2026-000009403

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000009403) never changes.

Identity and time

Publication numberOT-2026-000009403 · never reused
Internal UUID01a0ae6b-7561-7274-b981-b0c437a6bc24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009403
StatusPUBLIC

Content hashes

Canonical texta864cf2d2eb0e5947cd8edcf2e1674b42c855af2cbb411b6caeb718627f6282d
Markdown1a5f44265cbdfbccc0622823e540f0367c3a1c02c5980a7649ddb964cfe77746
PDF
Publication page2df7d9ea649e309850badc2ed04093e171d90048ed7c678f4dd8c6c94a640a08
Manifest050e1a5e8ee50246a97db5faa9d234ab2bec8f160fdbf8f84f3f8cbe243f88c7

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
SignatureAt6UfQiZGRawi2NaiameVSs63wjjmkiaJqPU90B93EL2JPaDm5Kg4nZDiIiGNAuLOfkwb+iPyogOKpNSFoLhDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:40.969628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009403
observed 2df7d9ea649e309850badc2ed04093e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.948333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009403/manifest.json
observed 050e1a5e8ee50246a97db5faa9d234ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.929860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009403/publication.md
observed 1a5f44265cbdfbccc0622823e540f036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.910272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009403/publication.txt
observed a864cf2d2eb0e5947cd8edcf2e1674b4...
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.