OpenTechnical

OT-2026-000045591

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045591) never changes.

Identity and time

Publication numberOT-2026-000045591 · never reused
Internal UUID01a0ae7d-8f02-7274-ae64-39bff5277529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045591
StatusPUBLIC

Content hashes

Canonical text1dff59b9ec2ab2313ee486621a7cd61d05087207b3030762b28a19c39be3a3ae
Markdown9b7c180ff0f7e577a5ef21afa12eb36573497b0a7921aa0c3b9b658d86af2657
PDF
Publication pagea40a7754a67e992cc9c9a24e90039b799c5904fde9b0dbaf5c76ffc844bc73a9
Manifestbe626194aa95cf2bd45ccec42c83725de217ef47866d9593fe42b3887dbdaf77

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
SignatureN0caFUnczttwgIjU8+QNp/JnBFVd+3+CXAaItudQ+6uIyP+M0bWa1grWLtGa4lj8dDJhCljWj4lBJ7njrSlpCg==
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

2026-09-17T11:09:21.660408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045591
observed a40a7754a67e992cc9c9a24e90039b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.638909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045591/manifest.json
observed be626194aa95cf2bd45ccec42c83725d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.620029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045591/publication.md
observed 9b7c180ff0f7e577a5ef21afa12eb365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.601762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045591/publication.txt
observed 1dff59b9ec2ab2313ee486621a7cd61d...
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.