OpenTechnical

OT-2026-000043203

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000043203) never changes.

Identity and time

Publication numberOT-2026-000043203 · never reused
Internal UUID01a0ae7b-327c-77ff-9d2c-396cda9f9396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043203
StatusPUBLIC

Content hashes

Canonical text4df522ef083e1554f3609cf4c954a425bc86c230dc5d3b66353575968c3a54b5
Markdown3a7dc82ce9dd65195855c0385a45ce78d4da49ee192fc3b71bebd30f9a8cf15d
PDF
Publication page947010156ec53d385fb934b599fd0471a2276357d9945e2782eedafe686b09af
Manifesta83017043b445b1333bd43bf9f7a571f961e0ad3c240c5f25b2b44e3b11c3154

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
SignatureFlMNeh/xqJ0u+IkSxnBQzxlCSbYSNB7qciHqFCRjoHsdX9YnU67AcDicgOrFMS3QtfSlvP6Et0fIzIIVQmfwAw==
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

2026-09-17T11:13:39.728675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043203
observed 947010156ec53d385fb934b599fd0471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.708445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043203/manifest.json
observed a83017043b445b1333bd43bf9f7a571f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.689763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043203/publication.md
observed 3a7dc82ce9dd65195855c0385a45ce78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.670701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043203/publication.txt
observed 4df522ef083e1554f3609cf4c954a425...
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.